Abstract Sarcoid tumors were described by means of histopathological and molecular procedures in a 5-year-old donkey. Histopathological examination showed epithelial changes including hyperkeratosis, hyperplasia, koilocytosis, rete peg formation. Neoplastic fibroblastic cells plumb, large spindle to stellate embedded dense collagenous tissue. Results Polymerase Chain Reaction DNA sequence analy...

Inverted papilloma is an uncommon primary nasal tumor. Despite its benign nature, this tumor represents three typical characteristics: a high propensity of recurrence, local aggressiveness and association with malignancy. Inverted papilloma can reduce the patient's quality of life due to compromised nasal function, extension to the orbit and brain. The authors reported the unusual case of a 72-...

Sinonasal squamous papilloma is a benign epithelial tumor having variable squamous differentiation. It occurs in the nasal cavity and paranasal sinuses. Malignant transformation of sinonasal squamous papilloma is responsible for cancer-related deaths worldwide. We reported a 52-year old man diagnosed as malignant transformation of a large sinonasal squamous cell papilloma. Moreover, bilateral n...

Human papillomavirus is a type of sexually transmitted virus that common in people with factors such as multiple sexual partners, weakened immune system caused by anxiety, or alcohol and tobacco users. This (human papilloma) causes negative effects on vaginal cervical epithelial cells, sperm quality other fertility parameters. papilloma can exist the seminal fluid ejaculation play role men. Dif...