Hairy Polyp, a Clinicopathologic Study of Four Cases

Hairy polyps (HPs), dermoids or teratoid tumors are rare tumors of naso-oropharyngeal region which commonly present at or shortly after birth. The etiology and classification of these tumors is still debatable and categorized by different authors differently. HPs have female predominance and usually...

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Bibliographic Details
Published in:	Head & neck pathology (Totowa, N.J.) N.J.), 2013-09, Vol.7 (3), p.232-235
Main Authors:	Tariq, Muhammad Usman, Din, Nasir Ud, Bashir, Muhammad Rizwan
Format:	Article
Language:	eng
Subjects:	Adolescent Age of Onset Child Dentistry Female Head and Neck Neoplasms - congenital Head and Neck Neoplasms - pathology Head and Neck Neoplasms - surgery Humans Infant, Newborn Lip Neoplasms - congenital Lip Neoplasms - pathology Lip Neoplasms - surgery Male Medicine Medicine & Public Health Nasopharyngeal Neoplasms - pathology Nasopharyngeal Neoplasms - surgery Oral and Maxillofacial Surgery Original Paper Otorhinolaryngology Palate, Hard - pathology Palate, Soft - pathology Pathology Teratoma - congenital Teratoma - pathology Teratoma - surgery
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Summary:	Hairy polyps (HPs), dermoids or teratoid tumors are rare tumors of naso-oropharyngeal region which commonly present at or shortly after birth. The etiology and classification of these tumors is still debatable and categorized by different authors differently. HPs have female predominance and usually present with respiratory and feeding problems. Microscopically, the polyp is covered by skin with underlying mesenchymal core. The aim of this study is to describe the clinicopathological features of Hairy polyps on a cohort of cases. We reviewed the surgical pathology database of our institution for last 10 years and retrieved four cases of hairy polyps. The age of patients ranged from 1 month to 18 years (mean = 12 years), with a female to male ratio of 1:3. Two of our cases presented at birth and two cases in late teens. Two of the HPs were located in nasopharynx, one on soft and hard palate and one on lower lip. One case was associated with bifurcation of tongue. Size of the polyps ranged from 2.3 to 4.5 cm (mean = 3 cm). Histologically, all HPs were lined by skin and the underlying core consisted of adnexal structures, adipocytes, skeletal muscle, smooth muscle and seromucinous glands. Lymphoid aggregates, cartilage and bone were seen in one case each. Our series highlights the diverse nature of this entity in terms of age of presentation and location. HP at lower lip and associated bifurcation of tongue has not been previously reported. We observed a male predominance in contrast to the published literature. However, number of cases is too few to read a definite conclusion on this point. The etiology is still controversial and includes congenital malformation and activation of pluripotent stem cells.
ISSN:	1936-055X 1936-0568