PRIMARY ADRENAL ANGIOSARCOMA Figure 12-10 PRIMARY ADRENAL ANGIOSARCOMA A: There is well-developed vasoformative architecture with sinusoidal growth between cords of vacuolated cortical cells. Acute inflammatory cells and eosinophils are also present. B: Primary adrenal angiosarcoma (same case as... More about this image found in PRIMARY ADRENAL ANGIOSARCOMA A: There is well-developed vasoformative arch...

MALIGNANT PERIPHERAL NERVE SHEATH TUMOR Figure 12-17 MALIGNANT PERIPHERAL NERVE SHEATH TUMOR Interlacing fascicles of spindle cells and epithelioid cells are present beneath a small area of residual adrenal cortex. More about this image found in MALIGNANT PERIPHERAL NERVE SHEATH TUMOR Interlacing fascicles of spindle c...

NODULAR ADRENAL MEDULLARY HYPERPLASIA IN A PATIENT WITH MEN2A Figure 8-61 NODULAR ADRENAL MEDULLARY HYPERPLASIA IN A PATIENT WITH MEN2A A: The adrenal medulla is diffusely thickened and contains multiple nodules. B: At higher magnification there are three nodules that can be distinguished based ... More about this image found in NODULAR ADRENAL MEDULLARY HYPERPLASIA IN A PATIENT WITH MEN2A A: The adren...

DISSEMINATED TUBERCULOSIS TO LIVER Figure 12-61 DISSEMINATED TUBERCULOSIS TO LIVER A small epithelioid cell granuloma (A) and numerous scattered acid-fast bacilli (B). More about this image found in DISSEMINATED TUBERCULOSIS TO LIVER A small epithelioid cell granuloma (A) ...

TUBERCULOID LEPROSY Figure 15-19 TUBERCULOID LEPROSY Periadnexal epithelioid cell and focally granulomatous infiltrate. More about this image found in TUBERCULOID LEPROSY Periadnexal epithelioid cell and focally granulomatous...

PARACOCCIDIOIDOMYCOSIS Figure 21-17 PARACOCCIDIOIDOMYCOSIS A: Well-formed epithelioid cell granulomas with associated multinucleated giant cells and surrounding lymphocyte infiltrate. (Both: courtesy of G. Varela, Hospital Pablo Tobón Uribe, Medellín, Columbia) B: Weakly refractive round to oval Paracoccidioides yeasts (arrow) can be visualized in the granulomas on a routine H&E stain. More about this image found in PARACOCCIDIOIDOMYCOSIS A: Well-formed epithelioid cell granulomas with ass...

CUTANEOUS LEISHMANIASIS Figure 28-6 CUTANEOUS LEISHMANIASIS Cutaneous epithelioid cell granulomas have giant cells and a rim of lymphocytes. Giant cell intracytoplasmic parasites are abundant. (Courtesy of the Armed Forces Institute of Pathology) More about this image found in CUTANEOUS LEISHMANIASIS Cutaneous epithelioid cell granulomas have giant c...

TUBERCULOUS GRANULOMA Figure 12-51 TUBERCULOUS GRANULOMA Central fibrillogranular (caseous) necrosis with surrounding palisaded epithelioid histiocytes. More about this image found in TUBERCULOUS GRANULOMA Central fibrillogranular (caseous) necrosis with sur...

TUBERCULOID LEPROSY Figure 15-17 TUBERCULOID LEPROSY There is a prominent perineural lymphocyte and epithelioid histiocyte infiltrate. (Courtesy of Dr. L. Tapia V, University of Antioquia, Medellín, Colombia) More about this image found in TUBERCULOID LEPROSY There is a prominent perineural lymphocyte and epithel...

LYMPHOGRANULOMA VENEREUM Figure 18-16 LYMPHOGRANULOMA VENEREUM Low-power appearance of lymph node involvement demonstrates characteristic geographic to stellate necrosis, surrounding palisaded epithelioid cells, and a paucity of multinucleated giant cells. (Courtesy of the AFIP Archives) More about this image found in LYMPHOGRANULOMA VENEREUM Low-power appearance of lymph node involvement de...

YERSINIA APPENDICITIS Figure 13-12 YERSINIA APPENDICITIS A–C: Yersinia enterocolitica infection, showing lymphoid hyperplasia (A) and focal germinal center neutrophil infiltration with early microabscess formation (B, arrow; C) are seen. D,E: Y. pseudotuberculosis appendix involvement demonstrates lymphoid hyperplasia and epithelioid cell granuloma formation in relation to germinal centers. (Courtesy of Dr. L. W. Lamps, University of Michigan, Ann Arbor, MI) More about this image found in YERSINIA APPENDICITIS A–C: Yersinia enterocolitic...