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Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics (BM-PROMA)
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PEComa in a 12-year-old boy.

Zeeshan Uddin1, Asim Qureshi, Samia Fatima

  • 1Aga Kahn University, Pathology, Stadium Road, Karachi, Sindh, 74800, Pakistan.

BMJ Case Reports
|March 24, 2012
PubMed
Summary
This summary is machine-generated.

Perivascular epithelioid cell tumours (PEComas) are rare. This study reports a rare case of PEComa in a 12-year-old boy

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Area of Science:

  • Oncology
  • Pathology
  • Rare Cancers

Background:

  • Perivascular epithelioid cell tumours (PEComas) are uncommon mesenchymal neoplasms.
  • These tumors exhibit a distinct epithelioid, clear cell morphology.
  • PEComas characteristically co-express melanocytic and smooth muscle markers.

Purpose of the Study:

  • To report an unusual case of PEComa.
  • To highlight the occurrence of PEComa in a pediatric patient.
  • To discuss the diagnostic considerations for PEComa in pediatric kidney tumors.

Main Methods:

  • Case presentation of a pediatric patient with a renal mass.
  • Histopathological examination of the tumor.
  • Immunohistochemical analysis for melanocytic and smooth muscle markers.

Main Results:

  • A diagnosis of PEComa was confirmed in a 12-year-old male.
  • The tumor originated in the kidney, a common but typically adult-predominant location.
  • Immunohistochemistry revealed the characteristic co-expression of melanocytic and smooth muscle markers.

Conclusions:

  • PEComas, though rare, can occur in pediatric patients.
  • Kidney PEComas are possible in children, challenging typical epidemiological profiles.
  • This case underscores the importance of considering PEComa in the differential diagnosis of pediatric renal tumors.