CLASSIFICATION OF LUNG CARCINOMA

CLASSIFICATION OF LUNG CARCINOMA

Major histological types

• Adenocarcinoma (38%)

  • —Minimally invasive adenocarcinoma (mucinous, non-mucinous)

  • —Invasive adenocarcinoma – Lepidic, acinar, papillary , and solid patterns—

  • Mucinous adenocarcinoma

• Squamous cell Carcinoma (20%)

  • —Papillary, clear cell, small cell, basaloid

• Small cell Carcinoma (14%) – combined small cell carcinoma

• Large cell carcinoma (3%)–

  • Large cell neuroendocrine carcinoma

Others (25%)

• —Adenosquamous carcinoma
• —Carcinoid tumors (Typical, Atypical)
• —Carcinomas with pleomorphic, sarcomatoid or sarcomatous elements
• —Carcinomas of Salivary gland type
• —Unclassified carcinoma

Reference

• Vinay kumar, Abul K.Abbas, Nelson Fausto, Jon C. Aster. Robbins and Cotran Pathologic basis of disease. 9th edition