Ovarian Burkitt’s lymphoma is rare in adulthood. Metastatic spread from ovarian malignancies occurs most commonly to the peritoneum, with nodular thickening of the peritoneum and serosal surface of the bowel, omental thickening (omental cake) and ascites. Metastasis to the para-aortic lymph nodes and liver has also been reported. Nonetheless, to the best of our knowledge, metastasis to the retr...

Desmoplastic small round cell tumor (DSRCT) is a rare and highly aggressive neoplasm. The cytological diagnosis of this tumor has only been reported in a few cases. In most of these cases, the diagnosis was made using fine-needle aspiration cytology. Most DSRCTs resemble disseminated carcinomatoses in their clinical manifestation as well as cytomorphologically, even in young-adult patients. The...

Malignant mesothelioma is a rare malignant neoplasm that arises from mesothelial surfaces of the pleural cavity, peritoneal cavity, tunica vaginalis, or pericardium. Typically, pleural fluid cytology or closed pleural biopsy, surgical intervention (video thoracoscopic biopsy or open thoracotomy) is conducted to obtain pleural tissue specimens. However, endobronchial lesions are rarely seen and ...

Desmoplastic small round-cell tumor (DSRCT) is a rare and highly aggressive neoplasm of children and young adults that primarily arises from the abdomen with widespread peritoneal involvement and is characterized by distinct clinicopathologic features. Therapeuticmanagement of DSRCT remains challenging, and no standard therapy is currently described in the literature. Despite the combination of...

Ten cases of mucocele of the vermiform appendix are described. Eight cases were of mucinous cystadenoma of the appendix and six cases showed acute inflammation. Two of the six cases showed pseudoinvasion of the appendix and in a further case the appendix had perforated with extrusion of a misplaced neoplasm. Two cases were of mucinous cystadenocarcinoma and one of these was diagnosed as ;pseudo...

Primary mucinous adenocarcinoma of the appendix is a rare gastrointestinal malignancy. Fistulous tract formation is a complication that is cited in literature. An 85-year-old man with multiple comorbidities presented with several weeks of persistent non-bloody diarrhea. Laboratory work-up was non-diagnostic. Abdominal imaging with barium contrast showed an enterocolonic fistulous tract extendin...

peritoneal dialysis is an established form of renal replacement therapy used in many patients with end-stage renal disease. the key to a successful chronic peritoneal dialysis is a permanent and safe access to the peritoneal cavity. this study was conducted in order to evaluate the catheter survival and its related factors in imam khomeini hospital. a total of 80 catheters were inserted into 69...

Background: Appendiceal cancer as a cause of appendicitis is a rare event occurring in approximately 1.0% of all cases of appendicitis. Nevertheless, treatment of appendiceal cancer as appendicitis may have an adverse outcome for the patient, even iatrogenically converting a contained malignant process into a disseminated disease that will have a lethal outcome. Methods: Staging of appendiceal ...

Adenocarcinoma as a cause of acute appendicitis is unusual, occurring in approximately 1.0% of all cases of appendicitis. Nevertheless, management of appendiceal adenocarcinoma as a routine appendicitis may have an adverse outcome for the patient. Iatrogenically, a contained malignant process may be converted into a disseminated disease that will have a lethal outcome. Staging of appendiceal ad...

Head and neck cutaneous metastasis of advanced gastric cancer is uncommon, scalp particularly rare. We present the case a 60-year-old man who was diagnosed with on originating from cancer. The patient referred to plastic surgery department for mass near hairline. He had been undergone total gastrectomy Roux esophagojejunostomy 3 years previously. differential diagnosis single flesh-colored nodu...