DZI20-137: BST
From MGH Learn Pathology
Request details
- Request type Study
- Subspecialty Bone and Soft Tissue
- Set Frozens Study Set 2020
- Topic BST
- Presenter NS495 (user needs to log in to Learn Pathology)
Toggle columns: Diagnosis
Case | Clinical history | Requester | Diagnosis |
---|---|---|---|
Case | Clinical history | Requester | Diagnosis |
| 36 yo F with left fourth toe mass | null | Fibroma of tendon sheath versus collagen fibroma (permanent dx: collagenous fibroma) |
| 60 yo M left shoulder mass | null | Spindle cell lipoma |
| 75 yo M with left distal femur mass | null | Malignant neoplasm (permanent dx: diffuse large B-cell lymphoma) |
| 45 yo M with history of invasive ductal carcinoma now with left iliac lesion | null | Metastatic carcinoma (permanent dx: metastatic carcinoma • consistent with mammary primary) |
| 73 yo M with right calf mass | null | Schwannoma |
| 25 yo F with right finger mass | null | Giant cell tumor of bone |
| 47 yo M with 1.8 cm soft tissue lesion at anterior/medial aspect of distal tibia | null | Granulomatous inflammation and fibrosis (permanent dx: Subcutaneous tissue with histiocytic inflammation • fibrosis • fat necrosis • perivascular lymphocytic infiltrate • and dystrophic calcifications; there is no evidence of malignancy) |
| 30 yo F with 10.5 cm heterogenous anterior compartment thigh mass undergoing resection; noted to have soft tissue mass on lower abdominal wall during surgery | null | Endometriosis |
| 66 yo F with 14 cm sacral mass destructive with extensive extraosseous tumor extension | null | Plasma cell neoplasm with abundant amyloid |
| 33 yo M with rapidly enlarging right thigh mass | null | Subcutaneous nodule with marked acute and chronic inflammation and atypical stromal cells most suggestive of myxoinflammatory fibroblastic sarcoma |
| 44 yo F with 5 cm sacral mass | null | Chordoma |
| 41 yo F with 6.7 cm right thigh mass | null | Myxoma |
| 42 yo F with NF1 with T9/T10 mass | null | Neurofibroma (permanent dx: diffuse neurofibroma) |