EPIDIDYMIS Figure 2-49 EPIDIDYMIS Patchy cytologic atypia is a normal variant morphology. More

PREPUBERTAL-TYPE TERATOMA:DERMOID CYST VARIANT Figure 5-28 PREPUBERTAL-TYPE TERATOMA:DERMOID CYST VARIANT Greasy, hair-filled material fills a cyst. (Fig. 1 from Ramsay AK, Gurun M, Berney DM, Nairn R. Dermoid cyst of the testis with neural tissue in an adult. Urology 2012;79:e25-6.) More

PREPUBERTAL-TYPE TERATOMA:DERMOID CYST VARIANT Figure 5-29 PREPUBERTAL-TYPE TERATOMA:DERMOID CYST VARIANT In addition to skin, this tumor formed meninges (not visible), cystic glands lined by ciliated cells, smooth muscle, and cartilage. More

PREPUBERTAL-TYPE TERATOMA: EPIDERMOID CYST VARIANT Figure 5-32 PREPUBERTAL-TYPE TERATOMA: EPIDERMOID CYST VARIANT A single cyst with a thin fibrous capsule is adjacent to the tunica albuginea and contains pale yellow material arranged in distinct layers. (Fig. 4.56 from Ulbright TM, Amin MB, Balz... More

PREPUBERTAL-TYPE TERATOMA: EPIDERMOID CYST VARIANT Figure 5-33 PREPUBERTAL-TYPE TERATOMA: EPIDERMOID CYST VARIANT The cyst contains yellow keratinous material and has a thick fibrous capsule that was focally calcified. More

PREPUBERTAL-TYPE TERATOMA: EPIDERMOID CYST VARIANT Figure 5-34 PREPUBERTAL-TYPE TERATOMA: EPIDERMOID CYST VARIANT A unilocular cyst is filled with keratin and lined by cytologically benign, stratified squamous epithelium. The adjacent parenchyma in this adult patient is unremarkable, with ongoing... More

PREPUBERTAL-TYPE TERATOMA: EPIDERMOID CYST VARIANT Figure 5-35 PREPUBERTAL-TYPE TERATOMA: EPIDERMOID CYST VARIANT The keratinizing squamous epithelium is cytologically benign. More

PREPUBERTAL-TYPE TERATOMA: EPIDERMOID CYST VARIANT Figure 5-36 PREPUBERTAL-TYPE TERATOMA: EPIDERMOID CYST VARIANT Left: The cyst has ruptured and partially collapsed. Its wall shows dystrophic calcification and ossification. Right: Higher power shows a giant cell reaction to keratin and the meta... More

PREPUBERTAL-TYPE TERATOMA: EPIDERMOID CYST VARIANT Figure 5-37 PREPUBERTAL-TYPE TERATOMA: EPIDERMOID CYST VARIANT Normal seminiferous tubules are adjacent to the cyst. More

PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT Figure 5-39 PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT A solid tan tumor replaces the testis. More

PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT Figure 5-40 PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT A circumscribed, tan-yellow tumor shows focal hemorrhage. (Photograph courtesy of Dr. D. Ramnani, Richmond, VA) More

PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT Figure 5-41 PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT Insular arrangement of mostly solid nests containing occasional small acini. The characteristic retraction artifact surrounds the tum... More

PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT Figure 5-42 PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT Left: Multiple tumor islands have gland-like spaces containing scanty eosinophilic secretion. Right: Dilated gland-like spaces. More

PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT Figure 5-43 PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT The tumor is arranged in cords and trabeculae. More

PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT Figure 5-44 PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT High-power shows nuclear pleomorphism, punctate chromatin, and abundant eosinophilic cytoplasm. More

PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT Figure 5-45 PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT Eosinophilic cytoplasmic granules are evident in many cells. More

PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT Figure 5-46 PREPUBERTAL-TYPE TERATOMA: WELL-DIFFERENTIATED NEUROENDOCRINE TUMOR VARIANT A glandular teratoma component is lined by pale ciliated cells. More

ALVEOLAR RHABDOMYOSARCOMA: “SOLID VARIANT” Figure 8-119 ALVEOLAR RHABDOMYOSARCOMA: “SOLID VARIANT” Densely packed, solid islands of uniform tumor cells are seen. More

DIFFUSE LARGE B-CELL LYMPHOMA, IMMUNOBLASTIC VARIANT Figure 9-9 DIFFUSE LARGE B-CELL LYMPHOMA, IMMUNOBLASTIC VARIANT The cells have round to irregular nuclei with vesicular chromatin and large, central nucleoli. More

SEMINOMA Figure 9-12 SEMINOMA The large central nucleoli and basophilic cytoplasm produce an appearance like that of an immunoblastic variant of diffuse large B-cell lymphoma. More