Pilar Cyst From a Maxillofacial Surgeon’s Perspective: A Case Report and Review of Literature

Abstract

Pilar cysts/trichilemmal cysts are benign lesions that arise from the hair follicle epithelium. The commonest area of occurrence is the scalp but it can also occur in the head and neck region. The pilar cyst grows at a prolonged rate. They are relatively rare and occur in about 10% of the population. They appear in the region of high concentrations of hair follicles. A 75-year-old male patient came to the Department of Oral and Maxillofacial Surgery with a chief complaint of swelling on the left side of the face for the past one year. Cytological examination revealed an infected cystic lesion. Computed tomography (CT) showed a well-defined lesion in the left temporal region. After surgical excision of the lesion, it was sent for histopathological examination. Excisional biopsy revealed a pilar cyst. We report a rare case of pilar cyst in the left temporal region in a patient who was previously operated on for osteomyelitis of the left side of the mandible up to the coronoid process. These cysts may mimic temporal space infection and lead to an incorrect treatment plan.

Concurrent Occurrence of Trichilemmal Cyst and Nevus of Ota: Case Series

“…The first division, namely the ophthalmic of the trigeminal nerve, and the second division, namely the maxillary, are most commonly affected [1]. Pilar cysts are appendageal cysts affecting the skin and are more common on the scalp [2]. They more often resemble sebaceous cysts [2].…”

“…Pilar cysts are appendageal cysts affecting the skin and are more common on the scalp [2]. They more often resemble sebaceous cysts [2]. The pilar cyst is a benign growth in the hair follicle, also known as the trichilemmal cyst [2].…”

“…They more often resemble sebaceous cysts [2]. The pilar cyst is a benign growth in the hair follicle, also known as the trichilemmal cyst [2]. Most cases occur on the scalp, though they can also occur in other areas of the head and neck region [2].…”

“…The pilar cyst is a benign growth in the hair follicle, also known as the trichilemmal cyst [2]. Most cases occur on the scalp, though they can also occur in other areas of the head and neck region [2]. The incidence of pilar cysts is about 10% in the general population [2].…”

“…Most cases occur on the scalp, though they can also occur in other areas of the head and neck region [2]. The incidence of pilar cysts is about 10% in the general population [2]. Most cases are sporadic and non-syndromic [2].…”