Unusual Male Breast Lesions - Journal of Clinical Imaging Science Our website services, content, and products are for informational purposes only. Radiofrequency ablation is another less invasive procedure that shrinks masses with electrical currents. You just never know who might be just a few weeks pregnant. Scattered fibroglandular breast tissue is a benign or noncancerous condition that can cause one or both breasts to feel lumpy. It is difficult to comment more specifically on the significance of 'hypoechoic' without . A 48-year-old male patient post total thyroidectomy with PTC recurrence. Granulomatous mastitis in a male breast: A case report and review of All rights reserved. Hyperechoic breast lesions | Radiology Reference Article - Radiopaedia Benign breast lesions that mimic cancer: Determining radiologic-pathologic concordance. (L12-5 MHz, Canon Aplio 500, Japan). According to the American Cancer Society, most females develop noncancerous breast conditions at some point in their lives. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. (2022). If theres any doubt about a diagnosis, your doctor may recommend surgery to remove it. Centers for Disease Control and Prevention (CDC). Ultrasound is an important medical tool that helps doctors detect abnormalities and determine what should be done next. Healthline Media does not provide medical advice, diagnosis, or treatment. This involves a process called fine needle aspiration (FNA), where a small needle is inserted into the lesion and a sample is collected to send off for further lab analysis. Also perhaps the report says that the abnormal is solid. 6.21 corresponds sonographically to a well-defined, lobulated, hypoechoic mass. Conversely, hyperechoic patterns without posterior enhancement, lesions with irregular margins and the presence of microcalcifications are usually sonographic findings of malignancy. Multiple cholesterol granulomas of the breast: A case report and review We avoid using tertiary references. A stage 1 tumor is usually less than 2 centimeters across, but this is not the only factor in staging breast cancer. Anechoic masses are often fluid-filled. A brighter rim on the outside of the mass is also common. They can be hard like a rock or similar to a cyst and filled with fluid. 2005-2023 Healthline Media a Red Ventures Company. American Cancer Society. The term "hypoechoic" refers to the way the nodule appears on an ultrasound: dark. If a doctor suspects that a thyroid nodule may . Diagnostic ultrasound uses sound wave technology to look at parts of your body, including: Certain words are used to describe areas imaged with ultrasound. It isnt easy to tell the difference between benign and malignant masses. Best food forward: Are algae the future of sustainable nutrition? It's important to note that around 20% of breast cancers don't even show up on a screening mammogram. This is the American ICD-10-CM version of R92.8 - other international versions of ICD-10 R92.8 may differ. a Transverse greyscale ultrasound of the neck demonstrates a left thyroid bed heterogeneous, predominantly hypoechoic irregular lesion with calcifications (white arrow). We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Hyperechoic. A malignant (cancerous) tumor can spread and invade other parts of the body. Echogenic Breast Masses at US: To Biopsy or Not to Biopsy? (2007). Some benign masses can be hypoechoic and may look like cancer. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Since it is a circumscribed mass surgical removal should not be a problem. The hypoechoic Mass - Solid breast nodule or Lump - Breast Cancer What does heterogeneous hypoechoic nodule mean? - Sage-Advices A doctor may discover a breast lesion during an imaging test, such as a routine mammogram, or an ultrasound that was initially ordered for another reason. In all cases of lesions other than those which are absolutely benign, real time review by the radiologist is mandatory. Lippincott Williams & Wilkins. In this article, we look at the causes, diagnosis, A mammogram can help a doctor to diagnose breast cancer or monitor how it responds to treatment. Ultrasound: Basic understanding and learning the language. Possible causes and risk factors for breast lesions may include: You may also be more likely to experience swollen or lumpy feeling breast during the premenstrual phase of your monthly cycle. In other cases, the lesion may be found via self- or clinical exam, which can then be confirmed through breast imaging tests. Ultrasound waves cannot see through the skull and other bony areas as well as they can in softer, tissue areas. The benign lumps sometimes resolve on their own. Read More. A hypoechoic mass may be a tumor or abnormal growth. Lobular Breast Cancer: Symptoms & Treatment - Cleveland Clinic Despite the benign ultrasound appearance, this was a new finding on mammography and ultrasound guided biopsy was performed. Hyperechoic. On ultrasound papillary . It can indicate the presence of a tumor, but many times these masses are benign (noncancerous). The lesions may show infiltration into the surrounding fatty tissue or other features associated with malignancy. Aigner F, et al. However, you may visit "Cookie Settings" to provide a controlled consent. These are also called echoes. This doesn't seem great to me. Wow. Some masses may appear spiculated with posterior acoustic shadowing. Baek SE, Kim MJ, Kim EK, Youk JH, Lee HJ, Son EJ. Although breast changes during the course of a woman's life cycle are normal, it can be worrying to find a lump and have to wait to find out if it means cancer. The cookie is used to store the user consent for the cookies in the category "Analytics". (B) Left antiradial breast sonogram. Five cases had benign breast lesion. They may order additional diagnostic exams, such as imaging tests, to help determine whether the lesion is cancerous (malignant), and if treatment is required. Architectural Distortion of the Breast : American Journal of You can learn more about how we ensure our content is accurate and current by reading our. WebMD does not provide medical advice, diagnosis or treatment. Our website is not intended to be a substitute for professional medical advice, diagnosis, or treatment. This is probably related to the patient's previous mastitis. 2. In conclusion, US-CNB of probably benign breast lesions with benign biopsy results 2 cm or larger . Causes of benign hypoechoic masses in the breast include: Other causes of benign masses include infections, trauma, and inflammatory conditions due to: Cancerous hypoechoic masses of the breast will typically have distinct characteristics, such as: Hypoechoic masses in the liver are commonly discovered during scans of the abdomen. View larger version (114K) Fig. What is the formula for calculating solute potential? A breast cancer tumor on a mammogram is often irregular. Here is an overview of each breast cancer stage: When recommending treatment options for breast cancer, a doctor will take into account: Early detection and diagnosis of breast cancer can significantly improve a persons outlook. and spiculation, which probably has the highest positive predictive value for malignant breast cancer. A hypoechoic nodule refers to a dark lesion seen on ultrasound. Some benign types are: A cluster of hypoechoic masses in the liver may be caused by cancer that has spread from another part of the body. Several factors can help differentiate the two. An ultrasound cannot tell whether a hypoechoic mass is benign or malignant, or what has caused it. Those symptoms aren't associated with cancer. Last medically reviewed on June 25, 2018. Ultrasound is the most used imaging modality. Thank. This means they light up quickly from the contrast when the image is taken, but then wash out (dim) rapidly too. Metastasis is when cancer spreads from its original location in the breast to distant parts of the body, such as the liver, lungs, brain, or bones. However, a healthcare provider should evaluate and diagnose any changes that cause you concern. According to the ACS, the 5-year relative survival rate for localized breast cancer is 99%. You may perceive a lump as a mass, growth, swelling, thickness or fullness. They usually give the size in millimeters (mm) or centimeters (cm). What percentage of hypoechoic breast nodules are malignant? It is also used to help diagnose masses found on a mammogram. A hypoechoic mass is an area on an ultrasound that is more solid than usual tissue. Benign versus malignant solid breast masses: US differentiation. 2004-2023 Healthline Media UK Ltd, Brighton, UK, a Red Ventures Company. In some cases, no treatment may be necessary, and your doctor may recommend monitoring the lesion over time. Its the dark area in the center, and its edges are very hard to define. Cancerous breast tumors cannot be completely prevented, but maintaining a healthy lifestyle can lower your risk. Nimer A, et al. Your doctor will consider your medical history, physical examination, current symptoms, and all other necessary scans and tests before making an evaluation. (2015). Breast changes over the course of a woman's life are common. Some benign masses in the breast can look like cancer because they have similar features. How to Reduce Your Risk of Breast Cancer: 10 Lifestyle Recommendations, a wait-and-see approach, especially in younger females, aspiration to remove fluids inside the lesion, surgical removal in older females, or if diagnostic testing reveals possible signs of cancer, or the results are inconclusive. Malignant signs on imaging. (A) Hypoechoic mass with an irregular Hypoechoic nodule or solid lesion in a breast Hypoechoic means an area looks darker on ultrasound than the surrounding tissue. That's especially true in women who have dense breasts. However, most growths found in the breast are benign. And while most of these conditions arent life threatening, some are linked with a higher risk of developing breast cancer. On exam, other changes may be present as well. Myofibroblastoma of the breast. Clinical and ultrasonographic features of male breast tumors: A - PLOS Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. ", Cancer Treatment Centers of America: "Ultrasound. We also review treatment options for breast lesions. Breast nodules, or lumps, cause fear and anxiety in most women. However, correlation with the mammographic appearance, lesion location, and clinical history allows the need for biopsy to be determined. What Is Breast Cancer? J Cancer. At the time the article was created Frank Gaillard had no recorded disclosures. Hyperechoic masses are not as dense as hypoechoic ones are. They are an abnormal change in a tissue or organ. 2 Does Fibroglandular density cause pain? 2c).Needle biopsy yielded a vascular lesion that was possibly a capillary or lobular . Objective The purpose of this study was to determine clinical and ultrasonographic characteristics of male breast tumors. American Cancer Society. Hypoechoic with smooth margins is probably benign. Limitations of mammograms. DOI: 10.1186/1477-7819-11-35. However, at sonography, only 0.6 to 5.6% of breast masses are echogenic and the majority of these lesions are benign. These cookies ensure basic functionalities and security features of the website, anonymously. If large enough, they can be felt during a routine self-exam or a clinical exam. These cookies will be stored in your browser only with your consent. They will look at it under a microscope. A breast specialist may recommend removing the benign tumor if it threatens to push against internal structures and cause damage. This does NOT necessarily mean that the lesion is cancerous but that it might be and this needs to . The more dense your breasts are, the higher your risk. These cells form lumps but do not lead to cancer. They show up as hypoechoic masses on an ultrasound. . They appear as light gray on the ultrasound. Healing time depends on the type of tumor and treatment. Breast Calcifications on Your Mammogram: What to Know. A breast biopsy may be needed on the basis of these other findings. Figure 2b. Breast Ultrasound vs. Mammography: Which Is Best? Check for errors and try again. It was a 10 10 8 mm, irregular, indistinct and heterogeneous hypoechoic mass, which had no posterior shadowing. Ultrasound reports assume that there is low echo mass or nodules, or low echo lesions in the chest. You might feel an unusual lump or bump during a monthly breast self-examination. Two contiguous lesions are visible, one hypoechoic, thick-walled with focal thickening, and with heterogeneous contents, suggesting hemorrhage and/or internal necrosis; b: histology showing an invasive ductal carcinoma with marked necrosis. Others may be removed for cosmetic reasons. They can be mobile but are often fixed, meaning they feel like they are attached to the skin or nearby tissue. This term means "without echoes." Ultrasound can help tell the difference between fluid-filled cysts, which aren't likely to be cancerous, and hard cysts that need further testing. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Treatment for breast lesions depends on your age, the size of the lesion, and whether the tissue is changing. acute breast hematoma: from acute hemorrhage. Like ping sound used by a submarine sonar? Breast cancers with hormone receptors are far more likely to respond to hormone therapy. This appears on an ultrasound scan as a hypoechoic mass with smooth edges. Jiang X, Xie F, Liu L, et al. The nipples and skin may look different around them. 1999;213 (3): 889-94. A hypoechoic nodule is an area of swelling or abnormal cell growth on the thyroid. 6.22 The mammographic mass identified in Fig. . There is a complex Hypoechoic lesion in the right breas at 9 o'clock measuring 7x6x11 mm in greatest dimension. Benign growths can cause pain, obstruction, and other complications. MO indicates that the doctor did not detect any metastasis. : A Pictorial Essay. {"url":"/signup-modal-props.json?lang=us"}, Gaillard F, Al Kabbani A, Jones J, et al. What is a hypoechoic nodule in the breast area - HealthTap Other ultrasound findings that suggest breast cancer include: With benign masses, a fluid-filled cyst may be noted. Scientists dont know for sure why this is true. The nucleus (center) of cancer cells can be striking, with nuclei that are larger and irregular in shape. Created for people with ongoing healthcare needs but benefits everyone. Machida Y, Tozaki M, Shimauchi A, Yoshida T. Two distinct types of linear distribution in nonmass enhancement at breast MR imaging: Difference in positive predictive value between linear and branching patterns. DOI: 10.3390/diagnostics6010002, Ihnatsenka B, et al. Hypoechoic. Breast Lesions: Causes, Diagnosis, Treatment, and More - Healthline Ultrasound results can mean different things depending upon which part of the body is being tested. A total of 112 men (125 breast masses) with preoperative breast ultrasonography (US) were . Cancerous and benign masses may appear similar on a mammogram. One tissue type may have a different echogenicity than another. To confirm the breast cancer stage, they assess several different factors, including tumor size. (2015). [ 3] Gynecomastia and invasive ductal carcinoma (IDC) are classified as the usual male breast masses; other circumstances can then be considered unusual lesions. Doctors determine the stage of cancer as part of their diagnosis. In some cases, breast lesions may be self-detected. Or, a hypoechoic mass may shrink on its own. A breast specialist can learn much by how a breast mass feels. If a doctor detects a breast lesion, its understandable to be concerned. Press ESC to cancel. An early diagnosis and treatment of the breast cancer can significantly improve a persons outlook. Cysts filled with air or fluid are usually hyperechoic and are rarely cancerous. Breast ultrasound can detect some lumps that a mammogram cannot. What does heterogeneous hypoechoic nodule mean? Many benign breast diseases present with irregular hypoechoic masses that can mimic carcinoma on ultrasonography. MX means that the doctor was unable to assess metastasis. Granulomatous mastitis in a male breast: A case report and review of Early detection increases the chances of successful medical treatment. When used properly, it reduces the number of benign biopsies while allowing the . The size of the tumor is only one of several factors that doctors consider when staging a persons breast cancer. Tumor size is an important factor when doctors are determining the stage of a persons breast cancer. But violence also can show as isoechoic hyperechoic lesions on or breast ultrasound, so it is not a rigid rule in any way. N0 indicates that the doctor did not detect cancer in the nearby lymph nodes. Other scans are commonly used to check for tumors in these areas. capillary angioma of the breast. Our website services, content, and products are for informational purposes only. Healthcare professionals describe breast cancer with higher than normal levels of HER2 as being HER2-positive. We also use third-party cookies that help us analyze and understand how you use this website. Benign tumors are usually all one type of tissue. Self-exams each month may be helpful in identifying the lumps, but an exam done by a healthcare provider is needed to find out for sure what's going on in your breast. Thats a birads 5 cancer which I would core-needle biopsy. What the hell does 'hypoechoic' mean?? - Breast Cancer Now The image is sometimes called a sonogram.. in 1995. Last medically reviewed on June 27, 2022, Multifocal breast cancer is where a person has more than one tumor in one area of their breast. An echogenic mass that is . Encapsulated papillary carcinoma of the breast: A case report Short description: Oth abn and inconclusive findings on dx imaging of breast The 2023 edition of ICD-10-CM R92.8 became effective on October 1, 2022. They also may look quite different, depending on the tumor's growth and grade. Ultrasound studies of a Hypoechoic Mass examine margins, shape and echogenicity. Breast. An early diagnosis is the best way to have a good outcome. They typically form as a single spot in the liver, but some people may have more than one. These terms are used interchangeably. If you detect any lumps, pain, or other changes in your breasts, its important to talk with a doctor right away. These areas appear dark gray because they don't send back a lot of sound waves. In some cases, the underlying infection, inflammation, or condition may be treated. infections, trauma, and inflammatory conditions, 25 percent of hypoechoic masses in the kidneys, upmc.com/Services/liver-cancer/conditions/Pages/benign-liver-masses.aspx, radiologyassistant.nl/en/p460f9fcd50637/solitary-pulmonary-nodule-benign-versus-malignant.html, appliedradiology.com/articles/benign-breast-lesions-that-mimic-cancer-determining-radiologic-pathologic-concordance, veterinaryradiology.net/4161/what-do-hyperechoic-and-hypoechoic-mean/. In some cases, a benign mass may become cancerous, or rupture and cause bleeding inside the body. Radiology. Suppose an ultrasound report said there is a hypoechoic mass or nodule, or a hypoechoic lesion in a breast. Six-month follow-up appropriate for BI-RADS 3 findings on mammography People with later stage breast cancers may need more treatment than those whose cancer is at an early stage. Sclerosing adenosis (SA) of the breast has sonographic features similar to some malignant tumors, [13] and can present as a solid hypoechoic mass with unclear borders, irregular morphology, and . According to the BI-RADS lexicon [], a hyperechoic lesion is defined by an echogenicity greater than that of subcutaneous fat or equal to that of fibroglandular parenchyma.Only 1-6% of breast masses are hyperechoic and the great majority of them are benign. Dimpling, dent or puckering skin on a . What do these words mean? The surrounding tissue therefore looks brighter/lighter shades of grey. This often indicates that a nodule is full of solid, rather than liquid, components. They may feel like a soft rubber ball with well-defined margins. Instead, you may see redness, swelling, and sometimes a rash on the skin of the breast. This term means "lots of echoes." These areas bounce back many sound waves. Sometimes it can be difficult to tell the difference between mastitis (inflammation of breast tissue) and inflammatory breast cancer, but mastitis often causes symptoms of fever, chills, and body aches. Solitary pulmonary nodule: Benign versus malignant. A nodule in her left breast, which had been seen during the first screening episode, had increased from 4 mm to 9 mm (Figs. 3 Are hypoechoic breast nodules cancerous? First, don't panic 80 to 85 percent of breast lumps are benign, meaning they are noncancerous, especially in women younger than 40. Surgery may be the best option to remove larger hypoechoic masses. Also, its important to know that benign growths tend to be referred to as lesions, while cancerous growths in the breast are called carcinomas. By clicking Accept All, you consent to the use of ALL the cookies. 6 What does a hypoechoic mass look like on an ultrasound? A 2000 study found no association of caffeine to breast density. Hypoechoic breast lesions suspicious for malignancy and ultrasound imaging on them will tend to look darker than the surrounding isoechoic fat. Mario J, et al. The cookie is used to store the user consent for the cookies in the category "Performance". Breast Imaging Cases - MAMMOGUIDE - Learn Breast Imaging Breast ultrasonography revealed an ill-defined hypoechoic irregular mass with peripheral vascularity in the subareolar portion (Figure 2A). If the IMLN has completely lost its normal morphology in a way to appear as an irregular hypoechoic mass, then in this case it will be difficult to name it an IMLN. Solid benign masses usually: A breast magnetic resonance imaging (MRI) scan can sometimes provide a clearer, more precise view than a mammogram to determine if a mass is cancerous or benign. Dtsch Arztebl Int. Healthcare professionals categorize metastasis using the M value of the TNM system, where: When staging breast cancers, doctors test the tumor cells for the presence of hormone receptors. Created for people with ongoing healthcare needs but benefits everyone. Symptoms and diagnosis of phyllodes tumors of the breast, Imaging management of palpable breast abnormalities, Dimpling of the skin, with a texture like orange peel, Nipple retraction, where the nipple turns inward instead of outward, Nonparallel orientation (not parallel to the skin), Acoustic shadowing (a finding that indicates a solid mass), Ductal extension (a breast duct widens and the wall thickens), Angular margins (an irregular or jagged appearance), Have three or fewer groups of small lobes. If an ultrasound finds a hypoechoic mass, you may have wondered what that means.. Here are a few examples of hypoechoic masses that can happen in different areas. What percentage of solid breast masses are benign? T2: The tumor is more than 2 cm but less than 5 cm across. We also cover other factors that contribute to staging, treatment, and a persons outlook. Only 3% to 6% of breast lumps are due to breast cancer. A category 4 (BIRADS score 4) means that the area is suspicious for malignancy and a biopsy is necessary to determine the exact nature of this lesion. This term is used to describe what is seen on an ultrasound scan. Circumscribed Masses: Medium- or High-Density Masses 2 C and D).Constellation of ultrasound findings suggested a papillary lesion. The sample cells are examined under a microscope to determine if cancer is present or not. Regular checkups are important, because you may not have any symptoms at all. a: breast ultrasound in a young woman to explore a palpable mass. Reference article, Radiopaedia.org (Accessed on 04 Mar 2023) https://doi.org/10.53347/rID-1014. This is called liver metastasis. Examples of benign breast conditions include: While most cases of benign breast lesions do not become cancerous, sclerosing adenosis carries up to two times the risk of future malignancy. Follow-up scans help to ensure that if there is a new growth, its caught and treated as early as possible. Benign conditions such as breast adenosis (numerous and enlarged milk glands), fat necrosis (damage to fatty breast tissue), and radial scars (growths that look like scars when magnified) may look very similar to cancers on a mammogram. What does a hypoechoic thyroid nodule mean? - Medical News Today . February 2023; Medicine 102(8):e33084 Characterization of liver lesions by real-time contrast-enhanced ultrasonography. What are hyperechoic lesions? - TeachersCollegesj In rare cases, sarcoidosis can present as an irregular or spiculated breast mass or as a developing asymmetry on mammography, or as an irregular hypoechoic mass on ultrasound (Figure 6B). A fibroadenoma (fy-broe-ad-uh-NO-muh) is a solid breast lump. Rahbar G, Sie AC, Hansen GC et-al. Hypoechoic thyroid nodules appear dark relative to the surrounding tissue. Are Irregular Hypoechoic Breast Masses on Ultrasound Always - PubMed They refer to breast cancer that has receptors for progesterone as progesterone receptor-positive, or PR-positive. View Frank Gaillard's current disclosures, see full revision history and disclosures, shoulder (modified transthoracic supine lateral), acromioclavicular joint (AP weight-bearing view), sternoclavicular joint (anterior oblique views), sternoclavicular joint (serendipity view), foot (weight-bearing medial oblique view), paranasal sinus and facial bone radiography, paranasal sinuses and facial bones (lateral view), transoral parietocanthal view (open mouth Waters view), temporomandibular joint (axiolateral oblique view), cervical spine (flexion and extension views), lumbar spine (flexion and extension views), systematic radiographic technical evaluation (mnemonic), foreign body ingestion series (pediatric), foreign body inhalation series (pediatric), pediatric chest (horizontal beam lateral view), neonatal abdominal radiograph (supine view), pediatric abdomen (lateral decubitus view), pediatric abdomen (supine cross-table lateral view), pediatric abdomen (prone cross-table lateral view), pediatric elbow (horizontal beam AP view), pediatric elbow (horizontal beam lateral view), pediatric forearm (horizontal beam lateral view), pediatric hip (abduction-internal rotation view), iodinated contrast-induced thyrotoxicosis, saline flush during contrast administration, CT angiography of the cerebral arteries (protocol), CT angiography of the circle of Willis (protocol), cardiac CT (prospective high-pitch acquisition), CT transcatheter aortic valve implantation planning (protocol), CT colonography reporting and data system, CT kidneys, ureters and bladder (protocol), CT angiography of the splanchnic vessels (protocol), esophageal/gastro-esophageal junction protocol, absent umbilical arterial end diastolic flow, reversal of umbilical arterial end diastolic flow, monochorionic monoamniotic twin pregnancy, benign and malignant characteristics of breast lesions at ultrasound, differential diagnosis of dilated ducts on breast imaging, musculoskeletal manifestations of rheumatoid arthritis, sonographic features of malignant lymph nodes, ultrasound classification of developmental dysplasia of the hip, ultrasound appearances of liver metastases, generalized increase in hepatic echogenicity, dynamic left ventricular outflow tract obstruction, focus assessed transthoracic echocardiography, arrhythmogenic right ventricular cardiomyopathy, ultrasound-guided biopsy of a peripheral soft tissue mass, ultrasound-guided intravenous cannulation, intensity-modulated radiation therapy (IMRT), stereotactic ablative radiotherapy (SBRT or SABR), sealed source radiation therapy (brachytherapy), selective internal radiation therapy (SIRT), preoperative pulmonary nodule localization, transjugular intrahepatic portosystemic shunt, percutaneous transhepatic cholangiography (PTC), transhepatic biliary drainage - percutaneous, percutaneous endoscopic gastrostomy (PEG), percutaneous nephrostomy salvage and tube exchange, transurethral resection of the prostate (TURP), long head of biceps tendon sheath injection, rotator cuff calcific tendinitis barbotage, subacromial (subdeltoid) bursal injection, spinal interventional procedures (general), transforaminal epidural steroid injection, intravenous cannulation (ultrasound-guided), inferomedial superolateral oblique projection, breast ultrasound features: benign vs malignant, Breast ultrasound features: benign vs malignant, Ultrasound characterisation of breast lesions, Ultrasound characterization of breast lesions, Ultrasound characteristics of benign breast lesions, Ultrasound characteristics of malignant breast lesions, alternate hypo-hyperechoic lines radiating perpendicularly from surface of nodules (if lesion is surrounded by echogenic tissue, hypoechoic strands will be seen; if lesion is surrounded by fat, echogenic strands may be seen), except in certain grade III Invasive ductal carcinomas, small lobulations 1-2 mm on the surface; risk of malignancy rises with increasing numbers, multiple projections from the nodule within or around ducts extending away from the nipple, usually seen in larger tumors, is seen as projection from a nodule which extends radially within or around a duct towards the, in general terms, benign lesions compress with transducer pressure and malignant lesions displace the breast tissue without changing in height; this is the basis for, well circumscribed, hyperechoic tissue: ~100%, gently curving smooth lobulations (<3 in a wider than deep nodule, i.e.