History: A 50 year-old woman presented with a 9 x 7 x 6 cm slowly enlarging, painless upper abdominal mass extending to the flank. A CT scan demonstrated a focally calcified, well-demarcated tumor which completely encompassed and obliterated one rib with involvement of adjacent ribs, as well as extending peripherally into the soft tissues of the thoracic wall (Fig. 1). She subsequently underwent needle biopsy resulting in a small aggregate of gray-tan semi-translucent tissue fragments.
Microscopically, the material varied greatly in cellularity, including fibrous regions, prominent supporting blood vessels, …
Updates on Mammary Neoplasia and Immunohistochemistry
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Solutions to Diagnostic Dilemmas in Gastrointestinal Surgical Pathology
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Case 1: Intraosseous hemangioma, parietal bone
T-10101, M-91200
Case 2: Desmoplastic fibroma, rib
T-10361, M-88231
Case 3: Central giant cell granuloma, maxilla
T-51100, M-44110
Case 4: Giant cell tumor, fibula
T-11740, M-69210
Case 5: Giant cell tumor, patella (some slides also showed ABC
formation)
T-11720, M-92501
Case 6: Osteochondroma, tibia
T-11730, M-92100
Case 7: Chondromyxoid fibroma, femur
T-11710, M-92410
Case 8: Ameloblastoma, mandible
T-10180, M-93100
Case 9: Telangiectatic osteosarcoma, pelvis
T-10800, M-91833
Case 10: Osteosarcoma with chemotherapy effects (30% viable
cells), femur
T-11710, M-91803
Case 1: Neurofibroma, breast
T-04000, M-95400
Case 2: Giant fibroadenoma, breast
T-04000, M-90200
Case 3: Low grade (“benign”) Phyllodes tumor, breast
T-04000, M-90213
Case 4: Mucinous carcinoma, breast
T-04000, M-80103
Case 5: Invasive ductal carcinoma, cribriform type, breast
T-04000, M-82013
Case 6: Metaplastic carcinoma with heterologous elements, breast
T-04000, M-85003
Case 7: Metaplastic carcinoma, sarcomatoid/spindle cell type, breast
T-04000, M-80323
Case 8: Metaplastic carcinoma with giant cells (most slides), breast
T-04000, M-80103
Case 9: Angiosarcoma
T-04000, M-91203
Case 10: Dermatofibrosarcoma protuberans (DFSP), skin of breast
T-04000, M-88321
The new version of Cforms has been implemented. Please let me know if you encounter any problems. /crosses fingers.
Case 1: Osteochondroma, femur
T-11710, M-92100
Case 2: Plasmacytoma/myeloma, humerus
T-11410, M-97311
Case 3: High grade conventional osteosarcoma, osteoblastic type, toe
T-Y9800, M-91803
Case 4: Mesenchymal chondrosarcoma, tibia
T-Y9400, M-92203
Case 5: Epithelioid hemangioendothelioma/low grade epithelioid angiosarcoma, scalp/ear
T-XY000, M-91203
Case 6: Angiosarcoma, scalp
T-Y0160, M91203
Case 7: Rhabdomyosarcoma, predominantly spindle cell type, pelvis
T-Y6000, M-89003
Case 8: Low grade myxosarcoma, abdominal wall
T-Y4100, M-88403
Case 9: Myxoid/round cell liposarcoma (95% round cell component), thigh
T-Y9100, M-88533
Case 10: Monophasic synovial sarcoma, heel
T-Y9600, M-90403
