Smooth Muscle Tumors Gene Landon, MD Key Facts Clinical Issues Mostly in pelvis and retroperitoneum of middle-aged/elderly individuals Cytopathology Low-grade leiomyosarcoma (LMS): Plump spindle cells with cigar-shaped nuclei and fibrillar/finely…
Metastatic Tumors Dina R. Mody, MD Key Facts Clinical Issues Most common primary sites are lung, breast, prostate, kidney, and thyroid Predilection for regions containing red marrow Commonly involved bones…
Giant Cell Tumor Dina R. Mody, MD Key Facts Cytopathology Cellular aspirates that may be bloody Dispersed or checkerboard pattern of giant cells and uninucleate stromal cells, which may be…
Solid Pseudopapillary Neoplasm Gene Landon, MD Key Facts Clinical Issues Typically in young females, in body/tail of pancreas Cytopathology Pseudopapillae with tumor cell layer(s) arranged around capillaries ± metachromatic myxoid…
Urothelial Carcinoma Yimin Ge, MD Key Facts Clinical Issues 5-10% of renal tumors, 90% of pelvicalyceal tumors Mean age: 67-70 years, M:F = 1.7-2:1 Cytopathology Hypercellular aspirate Multilayered sheets, papillae,…
Renal Lymphomas Yimin Ge, MD Jun Zhang, MD, MS Key Facts Clinical Issues PRL accounts for 0.7% of all extranodal lymphomas, including Hodgkin and non-Hodgkin lymphomas SRL is 30x more…
Renal Medullary Carcinoma Yimin Ge, MD Key Facts Terminology Rapidly growing medullary tumor associated almost exclusively with sickle cell trait Clinical Issues Predominantly young black males Very aggressive; mean survival:…
Thymic Carcinoma Ming Guo, MD Key Facts Clinical Issues High-grade malignancy with poor prognosis Usual sites of metastases include lymph nodes, bone, lung, pleura, liver, and brain Cytopathology Presence of…
Nonproliferative and Proliferative Changes in Breast Savitri Krishnamurthy, MD Pap-stained FNA smear of breast cyst contents shows a fragment of apocrine cells associated with proteinaceous material in the background ….
