Pizzi, Marco Pediatric gastrointestinal PEComas: a diagnostic challenge. [electronic resource] - Pediatric and developmental pathology : the official journal of the Society for Pediatric Pathology and the Paediatric Pathology Society - 406-8 p. digital Publication Type: Case Reports; Journal Article ISSN: 1093-5266 Standard No.: 10.2350/14-06-1501-CR.1 doi Subjects--Topical Terms: Biomarkers, Tumor--metabolismChildDiagnosis, DifferentialFemaleGastrointestinal Neoplasms--diagnosisHumansImmunohistochemistryPerivascular Epithelioid Cell Neoplasms--diagnosis