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Items: 3

1.

Oncocytoma of kidney

A renal tumor originating from an oncocyte, which is an epithelial cell characterized by an excessive amount of mitochondria, resulting in an abundant acidophilic, granular cytoplasm. [from HPO]

MedGen UID:
91094
Concept ID:
C0346255
Neoplastic Process
2.

Renal oncocytoma

MedGen UID:
807621
Concept ID:
CN220156
Finding
3.

Oxyphilic adenoma

Oncocytomas are usually benign tumors that occur in various organs but particularly in the kidneys. Histologic evaluation of renal oncocytomas shows that they are composed entirely of peculiar epithelial cells with granular eosinophilic cytoplasm. Ultrastructural characterization exhibits densely packed cells with mitochondria, which show morphologic differences from those in normal cells. On the average they are larger than those in renal carcinoma cells and their shape is abnormal (summary by Welter et al., 1989). [from OMIM]

MedGen UID:
307150
Concept ID:
C1510502
Neoplastic Process
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