Because preoperative diagnosis of pilomatricoma is usually incorrect, careful clinical examination and a high index of suspicion would result in a more accurate diagnosis. Complete surgical excision is the treatment of choice. Otolaryngologists should consider pilomatricoma in the differential diagnosis of neck masses.

4

Sinonasal SH is a rare diagnosis characterized by a polypoid lesion with a haphazard proliferation of seromucinous glands. The rhinologists should consider it in the differential diagnosis of a polypoid lesion in the nasal cavity.

CSE induces cytotoxicity on primary human nasal epithelial cells and the morphological findings closely mimic partition apoptosis.

The study suggests that autonomic dysfunction seems to be involved in the pathogenesis of LPR. The potential beneficial effect of autonomic nervous system modulation as a therapeutic modality for LPR merits further investigation.