rhinosporidiosis is a granulomatous disorder caused by rhinosporidium seeberi, an aquatic parasite. it spreads through contaminated water and soil. it frequently involves the nasal cavity and nasopharynx. disseminated or systemic lesions are rare. a 56 year old man presented with multiple tumor like lesions all over the body in our cancer institute in april 2012. fine needle aspiration cytology...

angiosarcomas are endothelial cell neoplasms in the lining of the blood vessel wall and account for about 0.04% of all breast malignancies with a high rate of error in primary diagnosis. the breast angiosarcoma is a rare and uncommon pathology and has been described mostly as case reports. indeed, only a limited number of cases have been published. accordingly, the natural history of this tumor...

amblyomma lepidum (donitz, 1909), collected on sheep from gilan gharb, is reported for the first time from iran. the species has been reported from sudan, ethiopia, kenya, egypt and zanzibar as well. male diagnosis: a small to medium – sized tick; scutum with characteristic ornamentations; postero- median stripe broad at the base, slightly knobbed at the anterior extremity, not reaching the fal...

internal iliac artery (iia) shows frequent variations in its branching pattern. we saw variations in the branching pattern of right iia in a male cadaver. the iia divided into anterior and posterior divisions. the branches of the anterior division included umbilical artery, inferior vesical artery, obturator artery. the other branches arose from posterior trunk such as iliolumbar, lateral sacra...

turner syndrome is one of the most common cytogeneti disorders in human with an incidence of one case in about 2500 female live born children. most patients have sexual infantilism and pregnancy is rare. bahner reported the first case of a pregnant turner patients and then the pregnancy of such patients has not been considered impossible. 9 patients out of 243 turner patients referred to karimi...

atrial dissociation is characterized by different types of p waves captured in an electrocardiogram, usually seen in critically ill or post-cardiac transplantation patients. our case demonstrates a 55-year-old man, presenting with chest pain (unstable angina) in the emergency department with transient double-p waves; representing the phenomenon. our case did not have any of the suggested causes...

thyroid hemiagenesis can be associated with various thyroid pathologies such as papillary thyroid cancer or nodular goiter. however, we did not encounter any publication in the literature in which hemiagenesis could be observed together with retrosternal goiter. in this report, a thyroid hemiagenesis associated with a benign nodular goiter extending retrosternally is reported. a 59-year-old mal...

gastrointestinal stromal tumors (gists) are rare and these tumors are mesenchymal tumors that develop in the wall of the gi tract. the aim of this study was to report a case with gist in pregnancy in western iran. a 39-year-old pregnant female (g5 p4) was admitted with a chief complaint of abdominal pain and epigastric fullness on 12 th april 2016. sonography showed gestational age of 15w+1d an...

hydatid disease is a parasitic tapeworm infestation that usually involves liver and lungs. primary retroperitoneal hydatid without liver and lung involvement is very rare. surgery is the principle method of treatment for large retroperitoneal hydatid, whenever feasible. we report a case of primary retroperitoneal hydatid cyst in 29-year-old male patient.

aneurysmal bone cyst (abc) is blood filled expansile cystic lesion that most commonly occurs in patients during the second decade of their lives. traditionally it has been described as a benign lesion but can be locally aggressive and result in the destruction of the involved bone. treatment methods include surgical excision and curettage with or without bone grafting. we report a proximal femu...