Neoplasms of nasal cavity
Neoplasms of nasal cavity
Neoplasms ofnasal cavityBothbenign and malignanttumours of thenasal cavity are uncommon.Very oftentheir separation from tumours of paranasalsinusesis difficult except in early stagesIn additionto primarytumours,nasalcavity can be invadedby growths fromparanasalsinuses,neopharynx,cranialorbuccal cavity
Neoplasms of nasal cavity • Both benign and malignant tumours of the nasal cavity are uncommon. Very often their separation from tumours of paranasal sinuses is difficult except in early stages. In addition to primary tumours, nasal cavity can be invaded by growths from paranasal sinuses, neopharynx, cranial or buccal cavity
Neoplasms of nasal cavityBenignlesions areusuallysmoothlocalisedand coveredwithmucousmembrane.Malignant ones are usuallyfiable,have a granular surface and tend tobleedeasily
Neoplasms of nasal cavity • Benign lesions are usually smooth, localised and covered with mucous membrane. Malignant ones are usually fiable, have a granular surface and tend to bleed easily
Benignneoplasms1.Squamous papilloma.Verrucous lesionssimilarto skin warts can arisefrom thenasal vestibuleorlower part of nasalseptum.They may be single or multiplepedunculated or sessile.Treatmentis localexcisionwith cauterisation ofthe base topreventrecurrence.They can also betreatedbycryosurgeryorlaser
Benign neoplasms • 1. Squamous papilloma. Verrucous lesions similar to skin warts can arise from the nasal vestibule or lower part of nasal septum. They may be single or multiple, pedunculated or sessile. Treatment is local excision with cauterisation of the base to prevent recurrence. They can also be treated by cryosurgery or laser
Benignneoplasms2.Inverted papilloma (Transition cell papillomaorRingertz tumour).Itis so-namedbecausemicroscopically neoplastic epithelium is seem togrow towards underlying stroma rather than onthe surface.Mostly seen between 40-70 yearswith male preponderance (5:1).It arises from thelateral wall of nose andis always unilateral.Itpresents as red or grey masses which may betranslucent and oedematus, simulating simplenasal polypi
Benign neoplasms • 2. Inverted papilloma (Transition cell papilloma or Ringertz tumour). It is so –named because microscopically neoplastic epithelium is seem to grow towards underlying stroma rather than on the surface. Mostly seen between 40-70 years with male preponderance (5:1). It arises from the lateral wall of nose and is always unilateral. It presents as red or grey masses which may be translucent and oedematus, simulating simple nasal polypi