BACKGROUND Many researchers studied human Papillomavirus infection in the anal area supposing it represents a risk factor for precursor lesions of anal cancer. AIM To study the association between histological findings suggestive of injury by the virus in hemorrhoidectomy specimens. METHOD Prevalence study was carried out based on histopathological analysis of hemorrhoidectomy specimens to ...

Purpose To report a case of seborrheic keratosis of the inner canthus presenting as cutaneous horn. Observation A 67-year-old Asian male presented with a rod-shaped, pedunculated mass on his inner canthus. The mass grew rapidly and within 2 months measured 3.0 cm in length and 0.5 cm in diameter. It was completely excised and submitted for microscopic examination. The specimen consisted of a ...

BACKGROUND Retinoids play an important role in skin homeostasis and when administered topically cause skin hyperplasia, abnormal epidermal differentiation and inflammation. Thyroidal status in humans also influences skin morphology and function and we have recently shown that the thyroid hormone receptors (TRs) are required for a normal proliferative response to 12-O-tetradecanolyphorbol-13-ace...

the red mite of poultry, dremanyssus gallinae, is the most important hematophagous ectoparasite of poultry. in this study, pathologic changes of its biting on the poultry skin have been investigated. thirty-two (control = 16 and treatment = 16) four weeks old ross broilers (308) were infested with the mite on skin of hock joins. samples were collected after 1, 24, 72 hours and 10 days. the skin...

Acquired ichthyosis is a known paraneoplastic sign of lymphoproliferative malignancies with non‌specific histopathologic findings revealing no implication of the underlying neoplasm. However, ichthyosiform eruption is considered as a specific manifestation of mycosis fungoides (MF), i.e., ichthyosiform MF. There are a few reports of ichthyotic manifestation of MF, but only one report of t...

The red mite of poultry, Dremanyssus gallinae, is the most important hematophagous ectoparasite of poultry. In this study, pathologic changes of its biting on the poultry skin have been investigated. Thirty-two (Control = 16 and Treatment = 16) four weeks old Ross broilers (308) were infested with the mite on skin of hock joins. Samples were collected after 1, 24, 72 hours and 10 days. The skin...