نتایج جستجو برای: vascular tumor

تعداد نتایج: 628077  

Journal: :journal of current ophthalmology 0
حسین آقایی hossein aghaei کورش شهرکی kourosh shahraki

purpose : to report clinical and pathologic result of a young patient with isolated cavernous hemangioma of conjunctiva case report : a 26-year-old man who presented with smooth, red, lobular surface mass was seen in the bulbar conjunctiva in temporal side with engorged episcleral and conjunctival vessels around the lesion. excisional biopsy was performed. pathologist confirmed the diagnosis of...

Journal: :acta medica iranica 0
s. shariat torbaghan r. nazari s. jolodari1 m. hashemi

hemangioma of the ovary is reported in a 66 years old woman. vascular tumors of the female genital tract are rare, especially those of the ovaiy. most cases are discovered incidentally. the case presented here was missed clinically.

Background: New blood vessels formation is a critical step in tumor progression. Vascular density affects the clinical outcome and prognosis of malignant tumors. The aim of this study was to investigate the relation between the Vascular Endothelial Growth Factor (VEGF) expression and vascular density with the clinical and histopathologic features in oral squamous cell carcinoma (OSCC). &nbsp...

Journal: :iranian journal of otorhinolaryngology 0
babak saedi department of otorhinolaryngology, tehran university of medical sciences, tehran, iran asghar hajipour department of anesthesiology, tehran university of medical sciences, tehran, iran mihan jafari javid department of anesthesiology, tehran university of medical sciences, tehran, iran

introduction: vascular abnormalities are relatively uncommon lesions, but head and neck is a common region for vascular malformation which is classified as benign tumors. in this paper, the authors report a rare presentation of vascular malformation in the tongue and its managements. case report: an 18 months 2 old child presented with a giant mass of tongue which caused functional and aestheti...

Journal: :medical journal of islamic republic of iran 0
noushin jalayer naderi department of oral and maxillofacial pathology, faculty of dentistry, shahed university, tehran, iran.سازمان اصلی تایید شده: دانشگاه شاهد (shahed university) farrokh tirgari pathology department, institute cancer, tehran university of medical sciences, tehran, iran. [email protected] 3. dds, shahed university, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) zahra keshavarz shahed university, tehran, iran.سازمان اصلی تایید شده: دانشگاه شاهد (shahed university)

background: new blood vessels formation is a critical step in tumor progression. vascular density affects the clinical outcome and prognosis of malignant tumors. the aim of this study was to investigate the relation between the vascular endothelial growth factor (vegf) expression and vascular density with the clinical and histopathologic features in oral squamous cell carcinoma (oscc).   method...

Primary angiosarcoma of bone is very rare.It occurs more commonly in middle-age and later life, with a male predominance in the ratio of 2:1. Angiosarcoma of bone has a tendency to involve the long tubular bones, and multifocal involvement is common. Here, we present a case of a 69-yr-old man in Shahid Sadooghi Hospital of Yazd in 2014 that had angiosarcoma of the left tibia. He was treated wit...

Background & Objective: Recent studies from gene profiling have revealed some genes that are overexpressed in the epithelial-mesenchymal transition (EMT) process and are responsible for its initiation and activation resulting in tumor progression and metastasis. The present study aimed to assess the role of genes involved in the EMT process and the association of these genes wi...

Journal: :acta medica iranica 0
maryam ghasemi department of pathology, mazandaran university of medical sciences, sari, iran. omid emadian department of pathology, mazandaran university of medical sciences, sari, iran. farshad naghshvar department of pathology, mazandaran university of medical sciences, sari, iran. ahmadreza bekhradnia department of chemistry, mazandaran university of medical sciences, sari, iran. saeid abediankenari department of immunology, mazandaran university of medical sciences, sari, iran. laleh vahedi larijani department of pathology, mazandaran university of medical sciences, sari, iran.

breast cancer is the most common cause of cancer-related death in female, after lung cancer. angiogenesis is essential for tumor growth and metastasis; therefore, antiangiogenesis strategies for treatment of cancer are currently an issue of interest. the role of vascular endothelial growth factor that assumed to be most potent angiogenesis factor is ambiguous in breast cancer. this study descri...

Mohammd Ali Emrani, Sajad Sahab Negah,

Glioblastoma is one of the most common brain tumors in adults with poor prognosis, aggressiveness, and treatment resistance. Vasculogenic mimicry (VM) consists of generating vascular-like channels by tumor cells, independent of endothelial angiogenesis. Studies showed in glioblastoma, the proportion of VM to all vascular channels is associated with poor prognosis and higher invasiveness levels....

Journal: :iranian journal of pathology 2009
mohsen emami aleagha etrat javadi rad siamak shariat torbaghan

littoral cell angioma is a splenic vascular tumor of splenic sinus lining cells that is considered benign in general. this report describes a case of littoral cell angioma with no malignant histological features. the lesion is composed of anastomosing vascular channels resembling splenic sinus; they are lined by endothelial cells which show mitotic activity very rare. immunohistochemically, the...

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