SB 5161 Nasal glial heterotopia

Diagnostic Tally: Mature teratoma—5, nasal glioma/heterotopia—30

Consultant: Stanford

SB 5162 Fibromatosis-like fibroblastic proliferation with recurrent potential

Diagnostic Tally: Solitary fibrous tumor—1, fibromatosis—10,

desmoplastic melanoma—2

Consultant: Stanford

SB 5163 Malignant melanoma + leukemia cutis

Diagnostic Tally: Melanoma + EMH—3, melanoma + leukemia cutis--30

SB 5164 Severe acute allograft rejection

Reference: J Heart and Lung Transplantation 24:1710-1720, 2005.

SB 5165 Uterine cervix with direct invasion by colonic adenocarcinoma

Diagnostic Tally: Enteric-type endocervical adenocarcinoma—5, involvement by colonic adenocarcinoma

SB 5166 Renal cell carcinoma, chromophobe type

Diagnostic Tally: Renal cell carcinoma with pigmentation—3, RCC, chromophobe type—35

Special stains: Hale’s colloidal iron: diffuse reticular cytoplasmic staining.

Reference: Am J Surg Pathol 22: 419-424, 1998.

SB 5167 Mixed epithelial stromal tumor

Diagnostic Tally: Nephroblastoma—1, mixed epithelial stromal tumor--30

Follow-up: Recent pleural effusion, positive for tumor cells (6 months after dx) .

Reference: Sangoi A, Higgins JP. Bilateral mixed epithelial stromal tumor in an end stage renal disease patient: the first case repost. Hum Pathol 2008,39(1) 142-6.

SB 5168 Dermatofibroma with epithelioid cells

Diagnostic Tally: DFSP—3, dermatofibroma variant—30

IPOX: Factor XIIIa (+), S-100 (-), synaptophysin (-).

Reference: Singh C, et al. Epithelioid benign fibrous histiocytoma of skin. Histopathology 24:123-129, 1994.

SB 5169 Schistosomiasis

Diagnostic Tally: Schistosomiasis—all (mansoni—10, hematobium—20)

SB 5170 Myelolipoma

Diagnostic Tally: Myelolipoma—30, angiomyolipoma—5.