Fig. 3
From: Mucinous tubular and spindle cell renal cell carcinoma: a review of clinicopathologic aspects
Uncommon histologic features of MTSRCC. a Foci of clear cell changes. b High grade MTSRCC with prominent nucleoli corresponding to Fuhrman grade 3. c MTSRCC with sarcomatoid transformation (left, sarcomatoid component; right, mucin-poor MTSRCC). d Aggregations of foamy macrophages (arrow). e Cuffing infiltrations of lymphoplasmacytic cells. f Depositions of small psammoma bodies (arrow)