Bita Geramizadeh

[ 1 ] - Effect of Mesenchymal Stem Cells on ILT3 Expression in the Splenocytes of Skin Graft Recipient Mice

Background: Mesenchymal stem cells (MSCs) are considered as effective therapeutic cells in transplantation due to their immunomodulatory activities. However, precise mechanism of MSCs immunomodulatory activity is not completely understood. Objectives: To study the role of Immunoglobulin-like transcripts-3 (ILT3) immunomodulatory receptor in immune tolerance induced by MSCs in skin transpla...

[ 2 ] - Malignant Colorectal Polyps; Pathological Consideration (A review)

Background: Routine screening colonoscopy is on the rise and pathologists have to deal with the ever larger numbers of excised colonic polyps. It is very important to optimize the patients’ individual treatment and further surveillance. Pathologists play a critical role in management, as most of the clinical decisions concerning colonic polyp managemen...

[ 3 ] - Aggressive Fibromatosis, Clinicopathologic Findings of 25 Cases; A Single-Center Experience and Review of the Literature

Background: Aggressive fibromatosis is a rare benign tumor with no potential for metastasis; however, its aggressive nature causes treatment failure and episodes of recurrence. There is no report from Iran about the treatment of this tumor, and all published articles are single-case reports, therefore in this study, we report our experience from two of...

[ 4 ] - Role of Immunohistochemistry in the Diagnosis of Solitary Fibrous Tumor, a Review

Background: Solitary fibrous tumor (SFT) is a mesenchymal tumor which is most commonly seen in the pleura; however it can be seen in other organs such as the meninge, gastrointestinal tract, soft tissue, bone, and skin. SFT should be differentiated from other mesenchymal tumors in these organs. Immunohistochemistry plays a pivotal role for the histopathologic diagnosis...

[ 5 ] - Inhibition of NR2B-Containing N-methyl-D-Aspartate Receptors (NMDARs) in Experimental Autoimmune Encephalomyelitis, a Model of Multiple Sclerosis

Neurodegeneration is the pathophysiological basis for permanent neurological disabilities in multiple sclerosis (MS); thus neuroprotection is emerging as a therapeutic approach in MS research. Modulation of excitotoxicity by inhibition of NMDARs has been suggested for neuroprotection, but selective antagonisation of the NR2B subtype of these receptors, a subtype believed to play a more pivotal ...

[ 6 ] - Topical Simvastatin Enhances Tissue Regeneration in Full-thickness Skin Wounds in Rat Models

Wounds and wound healing have always been one of the most important subjects that experimental researches were dedicated to. Simvastatin has been used for long as a common lipid lowering agent which was reported to have some pleiotropic effects such as antioxidation, anti-inflammation and immunomodulation. In this study we aimed to determine the effect of simvastatin on wound healing process in...

[ 7 ] - Inhibition of NR2B-Containing N-methyl-D-Aspartate Receptors (NMDARs) in Experimental Autoimmune Encephalomyelitis, a Model of Multiple Sclerosis

Neurodegeneration is the pathophysiological basis for permanent neurological disabilities in multiple sclerosis (MS); thus neuroprotection is emerging as a therapeutic approach in MS research. Modulation of excitotoxicity by inhibition of NMDARs has been suggested for neuroprotection, but selective antagonisation of the NR2B subtype of these receptors, a subtype believed to play a more pivotal ...

[ 8 ] - Topical Simvastatin Enhances Tissue Regeneration in Full-thickness Skin Wounds in Rat Models

Wounds and wound healing have always been one of the most important subjects that experimental researches were dedicated to. Simvastatin has been used for long as a common lipid lowering agent which was reported to have some pleiotropic effects such as antioxidation, anti-inflammation and immunomodulation. In this study we aimed to determine the effect of simvastatin on wound healing process in...

[ 9 ] - Comparison of c-Kit expression between primary and metastatic melanoma of skin and mucosa

Background: Melanoma causes the greatest morbidity and mortality of all skin cancers. Mucosal melanoma is a rare but highly aggressive neoplasm. According to previous studies the prevalence of KIT mutations in acrallentiginous and mucosal melanomas is relatively low (less than 15–20%), but it can have profound therapeutic implications for localized high risk or metastatic diseases. Our goal w...

[ 10 ] - VALUE OF FINE NEEDLE ASPIRATION IN DIAGNOSING ABDOMINAL AND RETROPERITONEAL MASSES OF CHILDREN

The aim of this study was to evaluate the role of fine needle aspiration cytology in the diagnosis of abdominal and retroperitoneal masses in children on this study. In 53 cases of childhood abdominal and retroperitoneal masses within a 4 year period (1998- 2001) preoperative fine needle aspiration was done under the guide of CT scan. 2 pathologists reviewed fine needle aspiration smears. I...

[ 11 ] - Epidermal Growth Factor Receptor (EGFR) Gene Mutation Analysis in Adenocarcinoma of Lung, the First Report from Iran

Background and Objective: Epidermal growth factor receptor (EGFR) gene mutation, especially in exons 18 to 21, is an important predictor of the response rate of lung adenocarcinoma to tyrosine kinase inhibitors. There are variable reports from Asian and European countries, as well as North America, about the frequency of the EGFR mutation in lung adenocarcinoma, yet molecular s...

[ 12 ] - K-ras Mutation in Colorectal Cancer, A Report from Southern Iran

There are very few studies about K-ras mutations in colorectal cancer (CRC) from developing countries such as Iran. It is therefore essential to conduct studies to learn about the molecular signature of such tumors, allowing the determination of an appropriate management plan. In the present study, we aimed to determine the frequency and types of K-ras mutations among patients with CRC in Iran....

[ 13 ] - Frequency of KIT Mutation in Gastrointestinal Stromal Tumors According to Histologic and Immunohistochemical Findings, the First Report from Iran

Background: Gastrointestinal stromal tumor (GIST) is the most common mesenchymal neoplasm of the gastrointestinal tract. They are believed to originate from the interstitial cells of Cajal. Most of these tumors contain activating mutations in the KIT receptor tyrosine kinase. This is the first study in Iran to evaluate GISTs at the molecular level.Methods: In the present study, during 5 years (...

[ 14 ] - Gastrointestinal Basidiobolomycosis, a Rare and Under-diagnosed Fungal Infection in Immunocompetent Hosts: A Review Article

Gastrointestinal Basidiobolomycosis (GIB) is an unusual, rare, but emerging fungal infection in the stomach, small intestine, colon, and liver.It has been rarely reported in the English literature and most of the reported cases have been from US, Saudi Arabia, Kuwait, and Iran. In the last five years, 17 cases have been reported from one or two provinces in Iran, and it seems that it has been u...

[ 15 ] - An Unusual Case of Metastatatic Renal Cell Carcinoma Presenting as Melena and Duodenal Ulcer, 16 Years After Nephrectomy; a Case Report and Review of the Literature

Renal cell carcinoma comprises about 2% of adult tumors. The overall 10-year survival rate of patients with RCC after nephrectomy is about 18-27%. The incidence of metastasis of initial RCC is about 24-28%, but this rate after nephrectomy is as high as 51%. The most common site of recurrence is the lung, however liver and bone metastases are common.There are many reported cases with late metast...

[ 16 ] - Hepatoprotective Effect of Satureja Khuzestanica Essential Oil and Vitamin E in Experimental Hyperthyroid Rats: Evidence for Role of Antioxidant Effect

Background: Hyperthyroidism is associated with liver oxidative stress causing liver dysfunction in many hyperthyroid patients. The hepatoprotective effect of Satureja Khuzestanica Essential Oil (SKEO), as herbal origin antioxidant and anti-inflammatory agent on the hyperthyroidism induced hepatotoxicity and oxidative stress is investigated. Methods: Adult male sprague dawley rats were divided i...

[ 17 ] - Interposition of Ileal J-Pouch for Rectum Reconstruction in Dog

Background: The gold standard of the management of rectal cancer in the middle and lower parts is low anterior resection with coloanal anastomosis. About 50% of the patients undergoing this procedure might experience some complications because of the low capacity of the neorectum. The aim of this study was to evaluate ileal J-pouch interposition as a neorectum between the anal canal and the rem...

[ 18 ] - Prolonged Hemoptysis Caused by Primary Pulmonary Epithelioid Hemangioendothelioma; A Case Report and Review of the Literature

Epithelioid hemangioendothelioma is a vascular tumor with an intermediate malignant potential. This tumor is very rare in the lung parenchyma, and most of the previously reported cases have been asymptomatic. There is no standard therapy for this tumor and prognosis in the previous reports has been variable.Herein we report our experience with a 60-year-old woman presenting with hemoptysis and ...

[ 19 ] - Unusual Locations of the Hydatid Cyst: A Review from Iran

Hydatid disease is caused by Echinococcus granulosus and is endemic in many parts of the world, including Iran. This parasitic tapeworm can produce cysts in almost every organ of the body, with the liver and lung being the most frequently targeted organs. However, the cyst tends to appear in different and sometimes unusual body sites in various geographical areas of the world. This revi...

[ 20 ] - Clinical Characteristics of Pediatric Esophagitis in Southern Iran; A Single-Center Experience

Background: We sought to determine the clinical characteristics of pediatric esophagitis in southern Iran. Methods: This cross-sectional study was conducted over a 4-year period, from 2005 to 2009, in Nemazee Hospital, a tertiary healthcare center in Shiraz, southern Iran. We consecutively included all pediatric patients (< 18 years) who underwent endoscopy in our center and had pathology...

[ 21 ] - Comparison of Cytotoxic Activity of Bile on HepG2 and CCRF-CEM Cell Lines: An in Vitro Study

The aim of this study was to examine the effect of crude bile on the human HepG2 and CCRF-CEM cell lines. Cells were exposed to different dilutions of bile. Antiproliferative effects were determined by the cytotoxic MTT assay. Cells undergoing apoptosis were identified by terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay. Bile administration resulted in dose-dependent c...

[ 22 ] - Non-Hodgkin Lymphoma in a Child with Schimke Immuno-Osseous Dysplasia

Schimke immuno-osseous dysplasia is a rare autosomal recessive multisystem disorder characterized by steroid-resistant nephrotic syndrome, immunodeficiency, and spondyloepiphy-seal dysplasia. Mutations in SWI/SNF2 related, matrix associated, actin dependent regulator of chromatin, subfamily a-like 1 (SMARCAL1) gene are responsible for the disease. The present report describes, for the f...

[ 23 ] - The Application of a New Cyanoacrylate Glue in Pediatric Surgery for Fistula Closure

Surgical glues have been used in pediatric surgery because of the fragility of tissue, and to prevent major surgeries. The present report describes our experience with using a new cya-noacrylate Glubran 2 (Viareggio, Italy) in the treatment of five cases of tracheoesophageal atresia with fistula (one fistula protection, three recurrent fistula, and one unstable patients), two cases of hypospadi...

[ 24 ] - Leukemic Infiltration of the Appendix as an Unusal Site of Extramedulary Relapse: Report of Two Cases and Review of the Literature

The appendix is an unusual site for extramedulary relapse in acute leukemia. The present case report describes two cases of late course acute lymphoblastic leukemia presented with leukemic infiltration of the appendix and complete remission of bone marrow. The signs and symptoms of the cases suggest that leukemic involvement of the appendix should be considered in the differential diagnosis of ...

[ 25 ] - Primary Intracranial Malignant Nerve Sheath Tumor in the Cerebellopontine Angle in a Woman with Neurofibromatosis Type 2

Neurofibromatosis type 2 is an inherited disease. The main manifestation of the disease is the development of symmetric, non-malignant brain tumors in the region of the cranial nerve VIII usually as schwannoma. We report here a 20-year-old woman with primary intracranial malignant nerve sheath tumor located in the left cerebellopontine angle. Histologically, the tumor showed malignant spindle c...

[ 26 ] - Unusual Presentation of Squamous Cell Carcinoma on Long-Standing Sacrococcygeal Pilonidal Sinus

Pilonidal disease consists of a hair-containing sinus or abscess occurring most frequently in intergluteal cleft. This disease is generally benign. Although very uncommon entity, it seems reasonable to be aware of possible malignancy in longstanding cases. We report a case of squamous cell carcinoma in a 52- year-old man, with a prolonged history of pilonidal disease and ulceration since 3 mont...

[ 27 ] - Giant Chondroma of Falx: A Case Report

Chondromas are benign tumors that may be found in many parts of the body. Among intracranial neoplasms, tumors of cartilaginous origin are rare. It has been shown that most of these tumors arise from the skull base. Their occurrence in other parts of the intracranial cavity is unusual. Chondroma of falx is a rare neoplasm. In this report we introduce a case of falcine chondroma arose from front...

[ 28 ] - Isolated Peritoneal, Mesenteric, and Omental Hydatid Cyst: A Clinicopathologic Narrative Review

Hydatid disease (HD) is caused by Echinococcus granulosus and is endemic in many parts of the world. This parasitic tapeworm can produce cysts in almost every organ of the body, with the liver and lung being the most frequently targeted organs. Peritoneum, omentum, and mesentery are among these unusual locations, which can cause diagnostic challenge and treatment delay. This review provides inf...

[ 29 ] - Myoid Angioendothelioma of the Spleen: A Rare Case Report and Literature Review

Most common tumors of the spleen are hematologic and lymphoid malignancies. Non-lymphoid and non-hematologic tumors of the spleen are very rare, the most common of which are vascular tumors. This group of tumors in the spleen is composed of heterogeneous tumors such as hemangioma, angioendothelioma (AE), littoral cell angioma, and angiosarcoma. There are several histologic forms of AE such as e...

[ 30 ] - miR-4284 and miR-4484 as Putative Biomarkers for Diffuse Large B-Cell Lymphoma

Diffuse large B-cell lymphoma is the most common type of non-Hodgkin lymphoma. MicroRNAs (miRNAs) are endogenous small RNA, which can regulate gene expression at the post-transcriptional level. MiRNA profiling has shown a great potential as novel diagnostic and prognostic biomarkers. The present study was performed at the Nemazee Teaching Hospital (Shiraz, Iran) from 2011 to 2013.The aim of thi...

[ 31 ] - Early Acute Kidney Injury based on Serum Creatinine or Cystatin C in Intensive Care Unit after Major Trauma

Background: Acute kidney injury (AKI) is a common problem in critically ill patients and is independently associated with increased morbidity and mortality. Recently, serum cystatin C has been shown to be superior to creatinine in early detection of renal function impairment. We compared estimated GFR based on serum cystatin C with estimated GFR based on serum creatinine for early detection of ...

[ 32 ] - Renal Capillary Hemangioma Mimicking Urothelial Carcinoma, A Case Report and Review of the Literature

Renal hemangioma is a rare tumor which can be capillary or cavernous. There have been less than 30 renal capillary hemangioma cases reported in the English literature. Herein we will report a case of renal hemangioma which was detected in a 74-year-old man operated with the impression of urothelial carcinoma of hilum.

[ 33 ] - Anticancer activity of Astragalus ovinus against 7, 12 dimethyl benz (a) anthracene (DMBA)-induced breast cancer in rats

Objective: Some species of Astragalus are used for the treatment of various types of cancer. The present study was designed to evaluate the anticancer potential of Astragalus ovinus extract (AOE) against DMBA-induced breast carcinoma in rats. Materials and Methods: The anti-tumor and antioxidant effects of AOE were evaluated against DMBA...