Hashimoto Thyroiditis
KEY FACTS Terminology • Chronic, autoimmune-mediated lymphocytic inflammation of thyroid gland Imaging • Features vary with stages of disease (acute, chronic, end stage) and extent of involvement (diffuse or focal)…
Rotator Cuff/Biceps Tendinosis
KEY FACTS Terminology • Collagenous degeneration of rotator cuff ± biceps tendons with proteoglycan deposition Imaging • Supraspinatus > infraspinatus > biceps > subscapularis • Diffusely thickened tendon with diffuse…
Adrenal Adenoma
KEY FACTS Terminology • Synonym: Adrenocortical adenoma Imaging • Varies from 2-5 cm, typically < 3 cm, bilateral in 10% • Can be bilateral (10%) • Nonspecific sonographic appearance •…
Testicular Torsion/Infarction
KEY FACTS Terminology • Spontaneous or traumatic twisting of testis & spermatic cord within scrotum, resulting in vascular occlusion/infarction Imaging • Absent or decreased abnormal testicular blood flow on color…
Adrenal Cyst
KEY FACTS Terminology • Simple or complex cystic lesion in adrenal gland Imaging • Well-defined, round, typically unilocular, thin-walled, suprarenal cyst • Anechoic or hypoechoic lesion with thin wall and…
Mucinous Ovarian Cystadenoma/Carcinoma
KEY FACTS Terminology • Mucinous epithelial neoplasm, which can be benign (mucinous cystadenoma), borderline (low malignant potential), or malignant (mucinous cystadenocarcinoma) Imaging • Multilocular cystic mass with low-level echoes ○…
Renal Angiomyolipoma
KEY FACTS Imaging • Discrete renal mass with varying amounts of dysmorphic blood vessels, smooth muscle, and mature adipose tissue • Variable size, can be very large • Single or…
