title: Upper lip metastasis of sarcomatoid carcinoma of the lung - an unusual site of disease: a case report.
abstract: BACKGROUND
  Lip metastases are rare clinical events that are frequently mistaken for other diagnoses. For sarcomatoid lung carcinoma, a rare histologic variant of non-small cell lung cancer, the incidence and pattern of cutaneous spread is poorly understood.
  
  
  METHODS
  We present a case of a 79-year-old African American man with a rapidly progressive upper lip cutaneous lesion that provided the first evidence of distant metastatic spread of sarcomatoid lung carcinoma.
  
  
  CONCLUSIONS
  This is the first reported case of lip metastasis in sarcomatoid lung carcinoma. It highlights the importance of maintaining a high level of suspicion for metastatic disease in the presence of new cutaneous findings as they may be the first evidence of advanced disease.
authors.affiliation: Department of Internal Medicine, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX, 75390, USA.
authors.forename: Tri
authors.initials: T
authors.lastname: Le
authors.affiliation: Harold C. Simmons Cancer Center, University of Texas Southwestern Medical Center, 2201 Inwood Road, 3rd Floor, Suite 500, Dallas, TX, 75390-9125, USA.
authors.forename: Melissa
authors.initials: M
authors.lastname: Mayer
authors.affiliation: Department of Pathology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX, 75390, USA.
authors.forename: Joseph
authors.initials: J
authors.lastname: Sailors
authors.affiliation: Department of Internal Medicine, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX, 75390, USA. david.gerber@utsouthwestern.edu.|Harold C. Simmons Cancer Center, University of Texas Southwestern Medical Center, 2201 Inwood Road, 3rd Floor, Suite 500, Dallas, TX, 75390-9125, USA. david.gerber@utsouthwestern.edu.
authors.forename: David E
authors.initials: DE
authors.lastname: Gerber
authors.affiliation: Harold C. Simmons Cancer Center, University of Texas Southwestern Medical Center, 2201 Inwood Road, 3rd Floor, Suite 500, Dallas, TX, 75390-9125, USA.|Department of Otolaryngology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX, 75390, USA.
authors.forename: John M
authors.initials: JM
authors.lastname: Truelson
mesh_terms: D000368:Aged; D017809:Fatal Outcome; D006801:Humans; D061705:Image-Guided Biopsy; D008048:Lip Neoplasms / Q000532:radiotherapy / Q000556:secondary*; D008175:Lung Neoplasms / Q000473:pathology* / Q000532:radiotherapy; D008297:Male; D012509:Sarcoma / Q000532:radiotherapy / Q000556:secondary*; D014057:Tomography, X-Ray Computed
keywords: Cutaneous; Lip; Lung cancer; Metastasis; Sarcomatoid