title: Extra ocular sebaceous carcinoma of the thigh: A case report.
abstract: BACKGROUND
  Sebaceous cell carcinoma is a malignant neoplasm, rarely recognized in extra ocular sites. His prognosis depends of the precocity of the diagnosis. This neoplasm is aggressive in 29%; lymph node and visceral metastasis aren't rare.
  
  
  METHODS
  An 80-year-old male had an ulcerated and infected nodule located on the left thigh. The lesion appeared after five months ago. It suspected a squamous cell carcinoma. The histologic findings revealed an extra ocular sebaceous carcinoma. The patient died one month later due to heart insufficiency.
  
  
  CONCLUSIONS
  extra ocular sebaceous carcinoma is a rare neoplasm. It has more difficulties of diagnosis because it has diverse clinical presentations as well as a variety of histologic patterns. We will discuss the incidence, clinical, histological and the prognosis of this aggressive neoplasm.
authors.affiliation: Department of Pathology, Farhat Hached Hospital, Sousse, Tunisia.
authors.forename: Faten
authors.initials: F
authors.lastname: Hammedi
authors.forename: Amel
authors.initials: A
authors.lastname: Trabelsi
authors.forename: Colanda
authors.initials: C
authors.lastname: Belajouza
authors.forename: Nadia
authors.initials: N
authors.lastname: Beïzig
authors.forename: Nadia
authors.initials: N
authors.lastname: Gannouchi
authors.forename: Badreddine
authors.initials: B
authors.lastname: Sriha
authors.forename: Moncef
authors.initials: M
authors.lastname: Mokni