Search Results
Results 201 - 250 of 1903
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Khosla Divya - - 2013
Mesenchymal neoplasms of the larynx are rare and make up approximately 0.3% to 1.0% of all malignancies at this location. Low grade myofibroblastic sarcoma (LGMS) of larynx is a rare entity. We describe a rare case of LGMS of larynx who presented with complaint of hoarseness of voice. The patient ...
Aggarwal S K - - 2013
Teratomas are tumors of multipotent cells derived from all three germ cell layers and recapitulate normal organogenesis. Teratomas are hypothesized to arise by misplacement of multipotent germ cells. Teratoma is usually developmental and sometimes congenital neoplasm which displays both solid and cystic components with gross and microscopic differentiation into a ...
Lyngdoh Toijam Soni - - 2013
Paratesticular germ cell tumors are extremely rare. A 12-month-old boy with yolk sac tumor involving only the paratesticular tissue is reported. Pre-operatively raised alpha fetoprotein levels fell to normal levels after high inguinal orchiectomy. This appears to be the youngest and only the 3(rd) case reported in the English literature.
Gorovoy Ian R - - 2013
We report the case of a 68-year-old white woman who presented with painful, 1- to 4-cm, erythematous nodules located bilaterally on the anterior and medial shins that had progressively developed and worsened over the last month. Workup revealed pancreatic panniculitis (PP) secondary to acinar cell carcinoma of the pancreas (ACCP). ...
Chen Ko-Hung - - 2013
Granular cell tumors (GCTs) on the male genitalia are exceedingly rare. Solitary tumors have been reported on the penile shaft, prepuce, corpus cavernosum, glans penis, and scrotum. According to the latest serial analysis by using a MEDLINE search of the literature from January 1970 to December 2011, we identified seven ...
Rubio Carlos A CA Gastrointestinal and Liver Pathology Research Laboratory, Department of Pathology, Karolinska Institute and University Hospital, Stockholm, Sweden. - - 2013
Protruding adenomas in the Barrett's mucosa (BM) are very rare. Out of the 22 adenomas evolving in BM recorded in the literature, 21 were tubular and the remaining one, villous. We describe a case of traditional serrated adenoma (TSA) in BM. The TSA displayed hyperplastic fronds with saw-like indentations lined ...
Murakami Keigo - - 2013
We report a case of water-clear cell adenoma associated with primary hyperparathyroidism. A 59-year-old woman with a history of renal stones and bone fracture was referred for investigation of hypercalcemia and an elevated serum parathyroid hormone level. Skeletal X-rays showed osteopenia and ultrasound showed enlarged tumors in both sides of ...
Tseng Chih-En CE Department of Anatomic Pathology, Buddhist Dalin Tzu Chi General Hospital, Chiayi 62247, - - 2013
Extranodal natural killer/T-cell lymphoma (ENKTL) is a distinct subtype of non-Hodgkin's lymphoma and is rare in the colon. Synchronous adenocarcinoma and ENKTL of the colon has not been reported in the literature. In the present study, we report a 63-year-old male who suffered from intermittent bloody stools for 2 mo. ...
McDonald Michael H - - 2013
Mastoiditis is a common clinical entity that is technically present in all cases of otitis media; only a minority of cases actually represents the otolaryngologic emergency of acute coalescent mastoiditis. When reviewing an image with a radiologic diagnosis of mastoiditis, looking for key signs such as destruction of bony septa ...
Sentürk Ekrem - - 2013
Pleural multicystic mesothelial proliferation is a very rare serosal pathology. In this paper, we share a pleural multicystic mesothelial proliferation case arrives the emergency service with sudden chest pain and dyspnea complaint that presented with hemothorax complication. In the literature, there is only one pleural multicystic mesothelial proliferation issue that ...
Pow Sang Mariel - - 2013
OBJECTIVE: We present the case of a patient with testicular plasmacytoma as initial presentation of multiple myeloma, and we carry out a literature review of this uncommon pathology. METHODS: 63 year-old male who consulted for a testicular mass for three months. After clinical and diagnostic studies he underwent radical orchiectomy. ...
Chen Chao-Hsuan - - 2013
Primary optic apparatus germ cell tumors are rare. There have been only 6 cases reported in the literature. Although they often disturb the hypothalamus-pituitary-adrenal axis and cause progressive visual loss, the influence of treatment outcomes on hypothalamic autoregulation has never been mentioned. Here, we report a patient with an optic ...
Urun Yuksel - - 2013
Follicular dendritic cell sarcoma (FDCS) is a rare neoplasm that originates from follicular dendritic cells in lymphoid follicles. FDCS has been increasingly reported in recent years. However, data on FDCS are mostly based on single case reports or case series and its natural history and standard treatment are not clear. ...
Perry Anamarija M AM Department of Pathology, University of Manitoba, Health Sciences Centre, Winnipeg, MB, - - 2013
The identification of chromosomal abnormalities in many hematopoietic and mesenchymal neoplasms has contributed significantly to classification systems. Follicular dendritic cell (FDC) sarcoma is an intermediate-grade malignancy with morphological and immunophenotypic features of follicular dendritic cells. Available data on genetic changes in this neoplasm are limited, with only isolated case reports ...
Alexiev Borislav A - - 2013
Erdheim-Chester disease (ECD) is a rare, non-Langerhans form of histiocytosis of unknown origin with distinct clinicopathologic and radiographic features. Reports detailing the cytology of ECD are rare. We describe a case of ECD with pericardial effusion. Cytologic examination revealed a hypercellular specimen composed of clusters and singly dispersed foamy macrophages ...
Wheller Laura - - 2013
Self-limited Langerhans cell histiocytosis (LCH) represents a rare, congenital, cutaneous form of LCH associated with a good prognosis. Only 35 cases of solitary lesion self-limited LCH have been reported. Herein, we present an additional case in a 3-month-old boy who presented with an isolated pigmented nodule on his left posterior ...
Pastides Philip - - 2013
OBJECTIVES: The use of stem cell therapy for the repair of cartilage defects has shown promising results in in vitro and animal studies. However, only a small number of studies have been performed to evaluate the benefits in human subjects. The aim of this study is to systematically review studies ...
Terry Jefferson - - 2013
Abstract Congenital presentations of Langerhans cell histiocytosis (LCH) are exceedingly rare and concurrent placental parenchymal involvement has not been definitively documented in the literature. We present two cases of congenital MS-LCH with placental involvement resembling chronic villitis. Placental examination may provide the initial diagnostic evidence of LCH and may significantly ...
Ogiwara Hideki - - 2013
The authors report on 2 cases of subependymal giant cell astrocytoma (SEGA) with intratumoral hemorrhage causing acute hydrocephalus, necessitating emergent resection of the tumor. They review the literature and present their insights on the management of SEGA showing growth on serial imaging. Intratumoral hemorrhage causing acute hydrocephalus can occur not ...
Gabali Ali - - 2013
We report an unusual case of an extranodal marginal zone B-cell lymphoma (EMZL) arising in the labial minor salivary gland in an immunocompetent 11-year-old boy. The initial histopathologic review favored localized amyloidosis. However, further evaluation supported the diagnosis of low-grade B-cell lymphoma with plasmacytic differentiation, surrounded by deposits of AL ...
Heitz Claiton - - 2013
PURPOSE: Myofibroma is a rare benign spindle cell neoplasm, and the aim of the present study was to carry out a literature review and present a clinical case of a patient with a myofibroma in the submandibular region and its management. CONCLUSIONS: Diagnosis of myofibroma can be reached by a ...
Nkwam Nkwam - - 2013
INTRODUCTION: Non-muscle invasive transtitional cell carcinoma (TCC) with metastases is exceedingly rare. PRESENTATION OF CASE: We report the case of a 78-year old man with an incidental finding of a non-muscle invasive TCC of the left distal ureter during treatment for Duke's B Colon cancer. Following laparoscopic nephro-ureterectomy (LNU) he ...
Gupta Sachin - - 2013
Spindle cell carcinoma (SpCC) is a unique variant of squamous cell carcinoma (SCC). SpCC confined to the nasal cavity is extremely rare, with only one case having been previously reported. We present a case report of nasal cavity SpCC and review the literature on this rare entity. A 29-year-old male ...
Verma Ravinder R Verma Hospital and Research Centre, Gujral Nagar, Jalandhar, 144001 - - 2014
Synovial sarcoma is a rare malignant tumor. It derives from a mesenchymal precursor stem cell that is unrelated to mature synovial tissue. Synovial sarcoma classically affects lower limbs between the ages of 15 and 40 years and the proportion of male-to-female patients is 3:2. It is very rare in the head ...
Liu Z W - - 2013
Objective: This study reports a case of a sinonasal inverted papilloma with spread to the temporal bone via the eustachian tube and subsequent transformation to squamous cell carcinoma. Method: An 81-year-old woman presented with sinonasal inverted papilloma which subsequently spread to the ear. A literature review of inverted papilloma was ...
Lah Kevin - - 2013
Clear cell adenocarcinoma arising out of endometriosis of the urinary bladder is a rare entity. The published literature has a dearth of information about this entity and its histogenesis. In the present case review we present a 59-year-old patient who was treated with robotic anterior pelvic exenteration and ileal conduit. ...
Trivedi Anshu - - 2013
We report a case of microcystic/reticular schwannoma of the proximal sigmoid colon in a 61-year-old man. A 12-mm polyp was detected while the patient was undergoing screening for colorectal neoplasm. This rare variant of schwannoma was initially described in 2008 and shows a predilection for the visceral organs, predominantly the ...
Villaverde Antonio - - 2013
ABSTRACT: The Editors of Microbial Cell Factories would like to thank all our Reviewers who have contributed to the journal in Volume 11 (2012).
Parekh Neel - - 2013
Malignant peripheral nerve sheath tumors (MPNSTs) are rare soft tissue sarcomas that arise from peripheral nerve fibers and are derived from Schwann cells, perineural cells, or fibroblasts. MPNST is an aggressive neoplasm in which local recurrence is common and complete excision of the mass should be the goal of surgery. ...
Fong Warren Weng Seng - - 2013
We describe a 42-year-old man who presented with painless obstructive jaundice, organomegaly and lymphadenopathy. Biopsy of the ampulla of Vater revealed the presence of increased populations of plasma cells which stained positively for immunoglobulin G4. He was treated with prednisolone and demonstrated significant clinical improvement 1 month later. A further case ...
Moser Stephanie - - 2013
BACKGROUND: Metastatic basal cell carcinoma (MBCC) is defined as primary cutaneous basal cell carcinoma (BCC) that spreads to distant sites as histologically similar metastatic deposits of BCC. BCCs are semimalignant, destructive, and invasive. Metastases are very rare, with an incidence of 0.0028%-0.5%. CASE REPORT: A female patient with Gorlin-Goltz syndrome ...
A Akbar Syed - - 2013
Systemic mastocytosis is characterized by abnormal growth and accumulation of mast cells in various organs. Gastrointestinal (GI) symptoms are common disease manifestations in this disease and can significantly impair the quality of life. Signs of GI systemic mastocytosis include steatorrhea, malabsorption, hepatomegaly, splenomegaly, portal hypertension, and ascites. Acute appendicitis as ...
Hamidian Jahromi Alireza - - 2013
Heterotopic pancreatic tissue is not uncommon. Although the cancerous transformation of heterotopic pancreatic tissue is a theoretical possibility, it is an extremely rare phenomenon. The majority of the heterotopic pancreatic malignancies reported in the literature are adenocarcinomas (32 cases). An Acinar Cell Carcinoma (ACC) arising from heterotopic pancreatic tissue is ...
de Mesquita Neto José Wilson Benevides - - 2013
A 78-year-old woman presented with an abdominal mass diagnosed by ultrasound and computed tomography. The patient underwent a laparotomy, during which a retroperitoneal tumor adherent to the cecum wall was identified. Microscopically, it showed spindle-cell proliferation in whorls, with low mitotic count (2 per 50 high-power fields) and was strongly ...
Ghafouri Ali - - 2013
Sarcomas are rare tumors account for about 1% of cancers in adult. Soft tissue sarcomas are the most common one. Synovial sarcoma's incident is about 10% of all sarcomas and most commonly rise from para-articular regions in young adults. Based on our knowledge there have been only two reports of ...
Arslan Hakan - - 2013
ABSTRACT: Syringocystadenocarcinoma papilliferum is the rare malignant counterpart of a more common, benign adnexal neoplasm known as syringocystadenoma papilliferum. Review of the literature identified 21 cases of syringocystadenocarcinoma papilliferum. Most reported SCACP seem to represent examples of in situ adenocarcinoma or invasive adenocarcinomas, whereas to our knowledge, only 3 cases ...
Bayindir Tuba - - 2013
Schwannomas are usually single, encapsulated, and benign tumors of the nerve sheath that arise from the perineural Schwann cells. Schwannomas are mostly seen in the fourth decade. Despite its location in the head and neck region is 25-45%, lip location of schwannoma are very rare. We present a case of ...
Sun Z - - 2013
Parosteal lipoma is an unusual kind of lipoma and occurs in intimate association with the underlying periostium of the bone. Parosteal lipomas mostly affect the long bones and involvement of the mandible is rare. We report a case of ossifying parosteal lipoma of the mandible in which CT was effective ...
Nayar Anjeli K - - 2013
Giant cell arteritis may lead to catastrophic, large-vessel complications from chronic vascular wall inflammation without prompt diagnosis and treatment. We describe a rare case of acute aortic dissection without preceding aneurysm secondary to histologically confirmed giant cell arteritis (GCA) in an 85-year-old female with a four-year history of polymyalgia rheumatica ...
Joshi Prathamesh V - - 2013
Intravascular large B-cell lymphoma is a rare and aggressive variant of diffuse large B-cell non-Hodgkin's lymphoma. Its atypical presentation often delays the diagnosis and due to its aggressive behavior, the diagnosis is made post-mortem in half of the cases. We present FDG PET/CT findings in a case of IVLCL. In ...
Kotb Ahmed Fouad - - 2013
Urethral stricture is a common urological condition, resulting from trauma or venereal infections. The aim of our study was to report a rare case of squamous cell carcinoma of the penis and pseudoepitheliomatous hyperplasia (PEH) of scrotal skin, on top of repeatedly managed urethral stricture which was of unknown aetiology. ...
Katuchova Jana - - 2013
Accessory spleen is a congenital focus of healthy splenic tissue that is separated from the main body of spleen. Although an accessory spleen usually appears as an isolated asymptomatic abnormality, it may have clinical significance in some situations. We report the case of 53-year-old woman with a 2-year history of ...
Dattolo Pietro - - 2013
Multiple solitary plasmacytoma (MSP) is a rare plasma cell dyscrasia, characterised by multiple lesions of neoplastic monoclonal plasma cells. It differs from multiple myeloma by the lack of hypercalcaemia, renal insufficiency, anaemia and pathological monoclonal plasmocytosis on a random bone biopsy. We present the case of an MSP described for ...
Karasmanis Ilias - - 2013
Introduction. The nonsquamous carcinomas of the larynx are considered rare with the majority of malignant tumors in this area, reaching the rate of 95%, to be squamous cell neoplasms. Case Report. The case refers to a 53-year-old man that presented with symptomatology of motor nerve disease. During the evaluation of ...
Tatsuoka Hisato - - 2013
We herein report three cases of gonadotroph adenoma in men (36-72 years of age) presenting with visual impairment and suprasellar masses measuring approximately 20 to 30 mm in diameter. Endocrinological examinations were normal, except for slightly increased follicle stimulating hormone (FSH) levels in two cases. Based on the tentative diagnosis ...
Polychronakis Ioannis - - 2013
Leukemia is a complex disease, which only became better understood during the last decades following the development of new laboratory techniques and diagnostic methods. Despite our improved understanding of the physiology of the disease, little is yet known about the causes of leukemia. A variety of potential risk factors have ...
Coop H - - 2013
Primary urethral squamous cell carcinoma is rare. Its management is particularly challenging owing to the paucity of evidence from randomised trials to inform practice. We report two male and female cases of squamous cell carcinoma of the urethra, which were treated with concomitant cisplatin and radiotherapy. These cases add to ...
Gungadeen Anil - - 2013
Objective. To present a case of otic Langerhans' cell histiocytosis in an adult. Also included the diagnosis and management of the condition and a review of the relevant literature. Case Report. We report a case of a 41-year-old man with a history of persistent unilateral ear discharge associated with an ...
Borkar Sachin Anil - - 2013
Giant cell glioblastoma multiforme is a rare subgroup of glioblastoma multiforme. It constitutes about 5% of all glioblastoma cases. Pediatric giant cell glioblastoma is extremely rare. We report two such cases of giant cell glioblastoma in pediatric age group (≤18 years). The pertinent literature is reviewed regarding this uncommon entity.
Gopalakrishnan C V - - 2013
Gangliogliomas are well differentiated, usually low grade, neuroepithelial tumors that comprise of neoplastic ganglion cells in combination with neoplastic glial cells. Occasionally, glial cells may show anaplastic features and are then labeled as anaplastic gangliogliomas. Most of the reported gangliogliomas are supratentorial tumors, predominantly in the temporal lobe. Brainstem location ...
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