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Updated: May 29, 2026

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In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
Published on: March 30, 2015
[Leiomyomatous renal cell carcinoma - case report]
Monika Ulamec1, Igor Tomasković, Jure Murgić
1Zavod za patologiju a Ljudevit Jurak, Medicinski fakultet Sveucilista u Zagrebu, KBC. mulamec@kbsm.hr
Lijecnicki Vjesnik
|September 6, 2011
Summary
Leiomyomatous renal cell carcinoma is a rare tumor subtype. This case report details a patient diagnosed with this rare entity and pulmonary metastases, contributing to limited existing literature.
Area of Science:
- Oncology
- Pathology
Background:
- The World Health Organization (WHO) classifies renal cell carcinoma (RCC) into subtypes like clear cell, papillary, and chromophobe.
- Emerging entities, including leiomyomatous RCC, are increasingly described in recent literature.
- Leiomyomatous RCC is characterized by clear cell carcinoma areas and smooth muscle components.
Observation:
- This report focuses on a patient diagnosed with leiomyomatous renal cell carcinoma.
- The patient presented with metastatic tumors in both pulmonary lobes at the time of diagnosis.
- Existing literature on this specific subtype is sparse, with only 14 reported cases.
Findings:
- The patient's diagnosis of leiomyomatous renal cell carcinoma with pulmonary metastases is presented.
- This case adds to the limited clinical and pathological data available for this rare RCC subtype.
- Microscopic examination revealed characteristic features of leiomyomatous RCC.
Implications:
- Increased awareness and reporting of rare subtypes like leiomyomatous RCC are crucial for better understanding.
- Further research is needed to elucidate the behavior and optimal management of leiomyomatous RCC.
- This case highlights the importance of comprehensive histopathological classification in renal cell carcinoma.

