Hibernoma in the renal sinus: A case mimicking malignancy

Introduction Hibernomas are benign tumors of brown adipose tissue. Hibernoma in the renal sinus is extremely rare. Herein, we present the third known case of renal hibernoma. Case presentation A 71‐year‐old man reported to our department with a left kidney tumor with an average growth rate of 5 mm/y...

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Bibliographic Details
Published in:IJU case reports 2024-07, Vol.7 (4), p.308-312
Main Authors: Kashima, Ayano, Majima, Tsuyoshi, Muramatsu, Tomoaki, Kurosu, Haruka, Kawanishi, Hideji, Kobayashi, Ikuo, Kajikawa, Keishi, Takahara, Taishi, Yamamoto, Takahiro, Sassa, Naoto
Format: Article
Language:English
Subjects:
Adipocytes
Biopsy
Body fat
brown adipose tissue
Case Report
Case reports
Cold
Editing
Hibernation
hibernoma
Liposarcoma
Magnetic resonance imaging
nephrectomy
Proteins
renal sinus
Sinuses
Tomography
Tumors
Writing
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Summary:Introduction Hibernomas are benign tumors of brown adipose tissue. Hibernoma in the renal sinus is extremely rare. Herein, we present the third known case of renal hibernoma. Case presentation A 71‐year‐old man reported to our department with a left kidney tumor with an average growth rate of 5 mm/year and a progressive contrast effect on computed tomography. It was diagnosed as a hibernoma following a laparoscopic radical nephrectomy. Conclusion We encountered a rare case of a hibernoma in the renal sinus. Development of new and accurate diagnostic methods for hibernoma, without resorting to nephrectomy, is essential.
ISSN:2577-171X
2577-171X
DOI:10.1002/iju5.12732