kaposiform hemangioendothelioma (khe) appears as a single lesion at birth or early infancy in an equal sex ratio. a rare aggressive vascular proliferation has been recognized as a separate entity from other childhood vascular neoplasm. a 3-year-old iranian boy with a rapidly enlarging mass in his (posterior aspect of skull at the midline) skull was present here. physical examination revealed a ...

introduction hemangiopericytomas (hpcs) are rare neoplasms which account for approximately 1% of primary vascular tumors. case presentation we report a 73 years old woman with vague abdominal pain who did not have further significant symptoms and was diagnosed to have retroperitoneal hemangiopericytoma. discussion the tumor was initially diagnosed by ultrasound evaluation. mri showed a lobulate...

hemangiomas of the sinonasal tract are rare, and because these lesions lack the typical signs or symptoms, they can be confused with other malignant conditions. we report a case of cavernous hemangioma of the maxillary sinus in a 68-year-old man that was completely resected by endoscopic sinus surgery. although computed tomography (ct) and magnetic resonance imaging (mri) showed several enhanci...

background: recently, the development of new biomarkers as prognostic and predictive markers in prostate cancer has been crucial. objectives: this study was aimed to determine whether serum vascular endothelial growth factor (vegf) levels would be a prognostic marker or risk assessment factor in patients with prostate cancer and to investigate whether it could differentiate cancerous tissue fro...

Cardiac hemangiomas are rare vascular neoplasms composed of endothelial cells that often incidentally found in asymptomatic patients

The transcription factor LMO2 is involved in vascular and hematopoietic development and hematolymphoid neoplasia. We have demonstrated that LMO2 is expressed nearly ubiquitously in native and neoplastic vasculature, including lymphatics. LMO2 reactivity is otherwise virtually absent in nonhematolymphoid tissues except in breast myoepithelium, prostatic basal cells, and secretory phase endometri...

  Kaposiform hemangioendothelioma (KHE) appears as a single lesion at birth or early infancy in an equal sex ratio. A rare aggressive vascular proliferation has been recognized as a separate entity from other childhood vascular neoplasm. A 3-year-old Iranian boy with a rapidly enlarging mass in his (posterior aspect of skull at the midline) skull was present here. Physical examination revealed...

background â vascular neoplasms are the most common primary splenic tumors that include both benignand malignant variants. one of these variants is hemangioma which is a benign vascular tumor. hemangiomas are slow growing and large tumors are rare. these tumors are most often incidental findings during imaging studies, laparotomy, or at autopsy. case presentation herein, we presented a young la...