Sinonasal papilloma, LM

Numéro d’image : 13297744
Sinonasal papilloma, LM
Sinonasal papilloma. Light micrograph (LM) of a section of a Sinonasal papilloma, also known as a Schneiderian papilloma. These are benign epithelial neoplasms that arise from sinonasal (Schneiderian) mucosa an ectodermally derived epithelium. Although they occur over a wide age range, sinonasal papillomas more frequently present in older patients and typically show a male predilection. In general, the prognosis for sinonasal papillomas is very good; however, these tumors may recur frequently and/or be locally destructive. The epithelium is composed of tall columnar cells with finely granular eosinophilic cytoplasm. Numerous small cysts filled with mucin and large numbers of neutrophils are also present. Magnification: x150 when printed at 10 centimetres wide. Human tissue.
Licence : Droits gérés
Crédit: Science Photo Library / Gschmeissner, Steve
Taille de l’image : 4829 px × 3619 px
Model Release : Non requis
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