Differential diagnosis

Small biopsies with sparse granular cells associated with pseudoepitheliomatous hyperplasia can easily be mistaken for squamous cell carcinoma. In the larynx, GCTs are typically non-ulcerated and occur on the posterior half of the true vocal cord in patients less than 50 years

Patients with primary tracheal NHL may present with airway obstruction, dyspnoea, wheezing or cough. Most reported cases are extranodal marginal zone B-cell lymphoma of MALT type {762,1275}. Primary hypopharyngeal NHL is extremely rare {809}. Both extranodal NK/T cell lymphoma of nasal type {2455,2605} and extranodal marginal zone B-cell lymphoma of MALT type have been reported {2773}.

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