Deletion 9p22‐pter and loss of Y as primary chromosome abnormalities in a squamous cell carcinoma of the vocal cord

Abstract
Loss of distal 9p is a common genetic alteration in squamous cell carcinoma of the head and neck. A vocal cord lesion incorporating a carcinoma-in-situ and a focus of invasive carcinoma revealed loss of the Y chromosome and a 9p22 rearrangement with loss of 9p22-pter. Loss of 9p22-pter appears to be a primary autosomal abnormality in this squamous cell carcinoma.