We describe a case of oncocytic angiomyolipoma composed of polygonal eosinophilic cells, that shares many features with renal oncocytoma. It was composed of alveolar structures, with accumulation of foamy histiocyte-like cells surrounding large globules of acellular, nonfibrillary, densely eosinophilic basal membrane-like substance. Immunohistochemically, there was focal reactivity for HMB45 and negativity for the epithelial markers. Oncocytic angiomyolipoma lacks the atypical features of the recently described epithelioid variant of angiomyolipoma. None of the reported cases have been associated with tuberous sclerosis.
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Datta Meghe Inst Med Sci Maharashtra, Smt Radhikabai Meghe Mem Coll Nursing Sawangi Meg, Wardha, IndiaDatta Meghe Inst Med Sci Maharashtra, Smt Radhikabai Meghe Mem Coll Nursing Sawangi Meg, Wardha, India
Chaudhari, Chaitali S.
Sharma, Ranjana
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Datta Meghe Inst Med Sci Maharashtra, Smt Radhikabai Meghe Mem Coll Nursing Sawangi Meg, Dept Med Surg Nursing, Wardha, IndiaDatta Meghe Inst Med Sci Maharashtra, Smt Radhikabai Meghe Mem Coll Nursing Sawangi Meg, Wardha, India
Sharma, Ranjana
Pathade, Aniket
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Datta Meghe Inst Med Sci, Jawaharlal Nehru Med Coll, Wardha, Maharashtra, IndiaDatta Meghe Inst Med Sci Maharashtra, Smt Radhikabai Meghe Mem Coll Nursing Sawangi Meg, Wardha, India
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Fuchu Kita City Hosp, Dept Surg, Hiroshima 7293431, Japan
Chugoku Rosai Hosp, Dept Surg, Hiroshima, JapanFuchu Kita City Hosp, Dept Surg, Hiroshima 7293431, Japan
Oishi, Koichi
Fukuda, Saburo
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Chugoku Rosai Hosp, Dept Surg, Hiroshima, JapanFuchu Kita City Hosp, Dept Surg, Hiroshima 7293431, Japan
Fukuda, Saburo
Sakimoto, Hideto
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Chugoku Rosai Hosp, Dept Surg, Hiroshima, JapanFuchu Kita City Hosp, Dept Surg, Hiroshima 7293431, Japan
Sakimoto, Hideto
Eto, Takaaki
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Chugoku Rosai Hosp, Dept Surg, Hiroshima, JapanFuchu Kita City Hosp, Dept Surg, Hiroshima 7293431, Japan
Eto, Takaaki
Takahashi, Makoto
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Chugoku Rosai Hosp, Dept Surg, Hiroshima, JapanFuchu Kita City Hosp, Dept Surg, Hiroshima 7293431, Japan
Takahashi, Makoto
Nishida, Toshihiro
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Chugoku Rosai Hosp, Dept Pathol, Hiroshima, JapanFuchu Kita City Hosp, Dept Surg, Hiroshima 7293431, Japan