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  2. Scrotal ultrasound - Wikipedia

    en.wikipedia.org/wiki/Scrotal_ultrasound

    Scrotal leiomyomas have been reported in patients from the fourth to ninth decades of life with most presenting during the fifth decade. These tumors are generally slow growth and asymptomatic. The sonographic features of leiomyomas have been reported as solid hypoechoic or heterogeneous masses that may or may not contain shadowing calcification.

  3. Ultrasonography of liver tumors - Wikipedia

    en.wikipedia.org/wiki/Ultrasonography_of_liver...

    It is a benign tumor made up of normal or atypical hepatocytes. It has an incidence of 0.03%. Its development is induced by intake of anabolic hormones and oral contraceptives. The tumor is asymptomatic but may be associated with right upper quadrant pain in case of internal bleeding. 2D ultrasound shows a well-defined, un-encapsulated, solid mass.

  4. Thyroid nodule - Wikipedia

    en.wikipedia.org/wiki/Thyroid_nodule

    Suspicious findings in a nodule are hypoechoic, ill-defined margins, absence of peripheral halo or irregular margin, fine, punctate microcalcifications, presence of solid nodule, high levels of irregular blood flow within the nodule [11] or "taller-than-wide sign" (anterior-posterior diameter is greater than transverse diameter of a nodule).

  5. Hepatocellular carcinoma - Wikipedia

    en.wikipedia.org/wiki/Hepatocellular_carcinoma

    The nodular type may be solitary (large mass) or multiple (when developed as a complication of cirrhosis). Tumor nodules are round to oval, gray or green (if the tumor produces bile), well circumscribed but not encapsulated. The diffuse type is poorly circumscribed and infiltrates the portal veins, or the hepatic veins (rarely). [20]

  6. Cavernous liver hemangioma - Wikipedia

    en.wikipedia.org/wiki/Cavernous_liver_hemangioma

    A cavernous liver hemangioma or hepatic hemangioma is a benign tumor of the liver composed of large vascular spaces lined by monolayer hepatic endothelial cells. It is the most common benign liver tumour, and is usually asymptomatic and diagnosed incidentally on radiological imaging or during laparotomy for other intra-abdominal issues.

  7. Vascular tumor - Wikipedia

    en.wikipedia.org/wiki/Vascular_tumor

    A vascular tumor is a vascular anomaly where a tumor forms from cells that make blood or lymph vessels; a soft tissue growth that can be either benign or malignant. [1] Examples of vascular tumors include hemangiomas, hemangioendotheliomas, Kaposi's sarcomas, angiosarcomas, and hemangioblastomas. An angioma refers to any type of benign vascular ...

  8. Hepatocellular adenoma - Wikipedia

    en.wikipedia.org/wiki/Hepatocellular_adenoma

    Hepatic adenomas are, typically, well-circumscribed nodules that consist of sheets of hepatocytes with a bubbly vacuolated cytoplasm. The hepatocytes are on a regular reticulin scaffold and less or equal to three cell thick. The histologic diagnosis of hepatic adenomas can be aided by reticulin staining.

  9. Lung nodule - Wikipedia

    en.wikipedia.org/wiki/Lung_nodule

    Vascular convergence is where vessels converge to a nodule without adjoining or contacting the edge of the nodule, and is mainly seen in peripheral subsolid lung cancers. [9] It reflects angiogenesis .