The Juan Rosai Collection

Malignant lymphoma, large cell, immunoblastic (Small bowel (ileum)) [1115/1]

Benign fibrous histiocytoma (dermatofibroma) with basaloid proliferation of overlying epithelium (Skin (thigh)) [1115/2]

Hyalinized deep leiomyoma (vs STUMP) (Peritoneum (pelvis)) [1115/3]

Fibroma (Heart) [1115/4]

Lymphangioma (Spleen) [1115/5]

Elastofibroma (Soft tissue (infrascapular)) [1115/6]

High grade transitional cell carcinoma (papillary), with associated xanthogranulomatous pyelonephritis (Kidney (pelvis)) [1115/7]

Chondroma (cellular) (Bone (toe phalanx)) [1115/8]

Called lipoblastoma. It looks to me more like a fibrous hamartoma of infancy (Soft tissue (back)) [1115/9]

Large B cell lymphoma (Thyroid) [1115/10]

Metastatic adenocarcinoma with sarcomatoid/ rhabdoid component (carcinosarcoma) (Soft tissue, chest wall) [1115/11]