Biomedical subjects

K H Perzin

Publications and source records attributed to K H Perzin.

56 records · Page 4Linked to original sources

PubMedDate not supplied

Olfactory neuroblastoma.

Olfactory neuroblastoma is an uncommon malignant tumor arising from olfactory epithelium. Generally considered to be a tumor of slow growth, it varies in aggressiveness and may cause death by distant metastasis or local invasion. The pathologic diagnosis is difficult, and this tumor is often erroneously diagnosed. Nine previously unreported cases are presented, and a review of the various treatment modalities and course of the disease is given. Maximum therapeutic succes is best achieved by radical excision followed by a full course of radiation. Because of the high incidence of local recurrence (46%) and slow growth, patients should be followed up closely for life.

Adolescent↗

PubMedDate not supplied

Granular cell tumors of the larynx.

Granular cell tumors of the larynx are uncommon lesions. Only 15 were identified at the Columbia-Presbyterian Medical Center, New York, during the past 45 years. These tumors produce hoarseness usually and are identified as small keratotic, polypoid, or sessile nodules involving the glottic region (most often posterior glottis, arytenoid, or vocal process). These lesions can usually satisfactorily be treated by endoscopic excision. On histologic examination, pseudoepitheliomatous hyperplasia is frequently seen and may be misinterpreted as squamous cell carcinoma.

Adult↗