Malignant Pigmented Mass “Sequestrated” in the Lung: A Unique Case Report

Maria Cecilia Mengoli, Filippo Lococo, Roberta Depenni, Uliano Morandi, Giulio Rossi

Research output: Contribution to journalArticle

Abstract

Primary lung tumors arising in pulmonary sequestration is an exceptional event, usually consisting of common histologic types. On the other hand, malignant perivascular epithelioid cell (PEComatous) tumors with deposition of melanin pigment have never been reported in the lung so far. In this study, we report a challenging case of a 34-year-old man presented with recurrent hemoptysis and CT scan detection of a pulmonary mass at the left lower lobe, vascularized by aberrant communication with the left diaphragmatic artery. After surgical resection, we documented a malignant PEComatous tumor (characterized by TFE3 expression and high mitotic rate) that had arisen in the context of an extralobar sequestration.

Original languageEnglish
Pages (from-to)699-701
Number of pages3
JournalLung
Volume194
Issue number4
DOIs
Publication statusPublished - Aug 1 2016

Keywords

  • Immunohistochemistry
  • Lung
  • PEComa
  • Sequestration
  • TFE3

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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