Search Results
Results 101 - 150 of 1889
1 2 3 4 5 6 7 8 9 10 >
Zhang Zhiqiang Z Department of Urology, Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, P.R. - - 2014
Myopericytoma is a rare neoplasm that generally arises from the skin and superficial soft tissues of distal extremities, and is particularly rare in the visceral organs. The current report presents a case of giant myopericytoma showing kidney involvement, which is extremely rare. A 39-year-old male presented to the Department of ...
Brown Patrick J - - 2013
Although basal cell carcinoma (BCC) of the nipple-areola complex (NAC) is rare, it is important for dermatologists to be aware of this potential malignancy, as it is thought to behave more aggressively than BCC arising in other anatomic locations and also can mimic a number of more serious conditions. A ...
Lai Yongqing Y Department of Urology, Peking University Shenzhen Hospital; ; The Guangdong and Shenzhen Key Laboratory of Male Reproductive Medicine and Genetics, Institute of Urology, Peking University Shenzhen Hospital, Shenzhen PKU-HKUST Medical Center, Shenzhen, Guangdong - - 2013
Metanephric adenoma (MA) is a rare benign renal neoplasm of originating in the epithelial cells, which is often difficult to distinguish from malignant neoplasms preoperatively. In this study we present two cases of patients with MA with the aim to analyze the clinical manifestations, imaging, pathology, diagnosis and treatment of ...
Kotecha Rishi S - - 2013
Hepatic sinusoidal obstruction syndrome (HSOS), also known as veno-occlusive disease, is a well-recognized toxic complication after autologous and allogeneic hematopoietic stem cell transplant, during treatment of Wilms tumor and rhabdomyosarcoma associated with actinomycin-D, and during acute lymphoblastic leukemia therapy due to oral 6-thioguanine. However, its occurrence in the context of ...
Yamada Toshiki - - 2013
Mantle cell lymphoma (MCL) is a unique subtype of B-cell non-Hodgkin's lymphoma characterized by chromosomal translocation t(11;14)(q13;q32), positive CD5, and nuclear cyclin D1 overexpression with unfavorable prognosis. We report herein a case of MCL in a 73-year-old male diagnosed with diffuse large B-cell lymphoma (ileal tumor) at another hospital, who ...
Duckworth Lizette Vila - - 2013
Abstract Plexiform fibromyxoma is a distinctive mesenchymal neoplasm usually arising in the gastric antrum. We report two cases of this entity in pediatric patients, including the first case arising in the esophagus. The patients were a 16-year-old female who presented with chest pain and was found on CT scan to ...
Collicutt Nancy B - - 2013
Secondary dyserythropoiesis has been associated with vincristine administration in dogs. Evaluation of bone marrow aspirates for the presence of morphologic abnormalities in the erythroid lineage aids in the diagnosis. However, morphologic features of circulating erythroid precursors in these cases have not been described previously. The purpose of this report was ...
Li Chia-Cheng - - 2013
Spitz nevi account for approximately 1% of all melanocytic nevi of the skin in children. Although Spitz nevi often develop in the skin of the head and neck, intraoral Spitz nevi are rare. These nevi contain epithelioid and spindle cells and exhibit cytologic and architectural atypia when compared with routine ...
Radhakrishnan Santhi - - 2013
A case of crystal-storing histiocytosis (CSH) associated with mucosa-associated lymphoid tissue (MALT) lymphoma of orbit is reported. The patient was a 53-year-old man who presented with an 8-year history of a slowly enlarging tumor in his right orbit. Histopathologic examination revealed that the tumor was composed predominantly of sheets of ...
Zheng Jinfeng - - 2013
Oncocytic meningioma is an uncommon variant of meningioma, with only 20 reported cases to date, that is histologically characterized by the presence of neoplastic cells with granular eosinophilic cytoplasm rich in mitochondria. We present the clinicopathological features of a case of oncocytic meningioma in a 49-year-old Chinese female, along with ...
Wang Hong-Wei HW Hong-Wei Wang, Yun-Long Lu, Jiang-Yang Lu, Department of Pathology, the First Affiliated Hospital, Chinese PLA General Hospital, Beijing 100048, - - 2013
The combination of classical Hodgkin's lymphoma (cHL) and non-Hodgkin lymphoma coexisting in the same patient is not common, especially in one extranodal location. Here we present a rare case of composite diffuse large B-cell lymphoma (DLBCL) and cHL occurring simultaneously in the stomach of a 53-year-old female who presented with ...
Marchesi Andrea - - 2013
Background:Merkel cell carcinoma (MCC) is a rare cutaneous neuroendocrine malignancy that usually grows rapidly at the head and neck. Giant forms at the lower limbs are rarely reported and usually affect patients in the eighth decade or older.Methods:We report the case of a 60-year-old man who presented with a giant ...
Hsiao Hui-Hua - - 2013
The case report describes a woman who has an acute psychosis episode during the second course of trimethoprim/sulfamethoxazole therapy, after having an allogeneic hematopoietic stem cell transplant that favored a dose-related effect of this adverse effect.
Wu Zhiming - - 2013
Primary abdominal extraskeletal osteosarcoma (EOS) is a rare carcinoma. The present study reports a case of a primary abdominal EOS involving the greater omentum and also presents a review of the literature on the etiology, diagnosis, differential diagnosis, pathological features, treatment and prognosis of the disease. The patient in the ...
Waraasawapati Sakda - - 2013
Extramedullary hematopoiesis (EMH) suggests the presence of hematopoietic stem cells (HSC) outside bone marrow. EMH has been reported, albeit rarely, in pyogenic granuloma (PG), a polypoid lobular capillary hemangioma. However, statistical data have hitherto been lacking on the actual incidence of EMH in PG. Therefore, we here reviewed 157 consecutive ...
Khoo Jeremy F - - 2013
Background: Granuloma of the upper aero-digestive tract is a rare presentation of Immunoglobulin G4 (IgG4) related disease. Since the disease process was defined in 2003, only two cases affecting the laryngo-pharynx have been reported in the literature. Methods and Results: A 62 year old Caucasian male presented with persistent productive ...
Del Gobbo Alessandro - - 2013
This report describes 2 new cases of testicular involvement by Rosai-Dorfman disease, also known as sinus histiocytosis with massive lymphadenopathy, and reviews the clinical and pathologic features of the other cases documented in the literature (4 cases) or included in the sinus histiocytosis with massive lymphadenopathy registry (7 cases). Our ...
Wang Yen Tun - - 2013
: Atypical fibrous histiocytoma (AFH) is an uncommon variant of cutaneous fibrous histiocytoma that can display histologic features associated with malignancy. Fewer than 150 cases have been reported in the literature. The majority of these lesions present on the trunk and extremities of middle-aged women. Genital lesions are rare, with ...
Zhang Xing Jian - - 2013
A 32-year-old woman presented with a slow-growing, painless, subcutaneous lesion in the right inguinal and perineum regions. The mass was 24.0cmx10.5cmx5.0cm in size, well circumscribed, mobile, and rubbery. Microscopically, the resected mass was mainly composed by a proliferation of small spindle or stellate cells, variably admixed with mature adipose tissue, ...
Dilorenzo Monica M - - 2013
Objective: False positive BRAF analysis on FNA have been rarely reported in the literature but may become more common with the advent of assays that can detect the BRAF V600 mutation even if it is present in only 2% of otherwise wild-type thyroid cells. We present a case of an ...
La Rosa Stefano - - 2013
Although most insulinomas are located in the pancreas, very rare ectopic cases have been described in the spleen, perisplenic tissue, duodenohepatic ligament, and adjacent to the ligament of Treitz. Moreover, three cases located in the duodenum have also been reported in the English literature. Ectopic insulinomas represent challenging neoplasms with ...
Tang V - - 2013
● To assess the role of centralised pathology review in penile cancer management. ● Newly diagnosed squamous cell carcinomas (SCC) of the penis, including squamous cell carcinoma-in-situ (CIS) from biopsy specimens that were referred from fifteen centres, to the regional Sn-MDT between 1(st) January 2008 and 30(th) March 2011 were ...
Chang Nien-Yi - - 2013
Langerhans cell sarcoma (LCS) is a rare malignancy requiring differential diagnosis from other high-grade nonhematologic and hematologic tumors. The pathogenesis of LCS remains unknown. Notably, LCS and its benign counterpart, Langerhans cell histiocytosis (LCH), are frequently associated with other malignancies. To the best of our knowledge, we describe the first ...
Lee Dong Hwan - - 2013
Burkitt's lymphoma is a highly aggressive small B-cell lymphoma. The treatment of choice is complex chemotherapy. As a rare tumor in the head and neck area, Burkitt's lymphoma usually involves cervical lymph nodes, and only fewer than 25% of cases involves extranodal regions. Involvement of the paranasal sinuses has been ...
Cioranu V Ibric - - 2013
Solitary plasmacytoma is a very rare form of neoplasia, part ofthe monoclonal gammopathies. It represents a tumoralproliferation of plasma cells in the form of a solitary masswhich can be located in the bone marrow or extramedullary.Initial symptoms are vague and nonspecific. Being such a rareaffliction, there is little information in ...
Wader Jyotsna - - 2013
A neoplastic (solid), calcifying ghost cell tumour is a rare subtype of Calcifying Odontogenic Cyst. The most important features of this pathologic entity are histopathological features, which include a proliferating cystic lining which demonstrates characteristic "Ghost" epithelial cells which have a propensity to calcify. We are reporting a case of ...
Tarakji Bassel B Department of Oral Medicine and Diagnostic Sciences, Al-Farabi Dental College, Riyadh, Saudi Arabia ; Department of Pathology and Histology, Faculty of Dentistry, Aleppo University, Aleppo, - - 2013
This review will highlight some current areas of difficulty or controversy in diagnosis and treatment of nevoid basal cell carcinoma syndrome (NBCCS). The odontogenic keratocyst (OKC) has significant growth capacity and recurrence potential and is occasionally indicative of the NBCCS. The objective of this study is to clarify the causes ...
Cohen-Barak Eran - - 2013
The co-occurrence of Langerhans cell histiocytosis (LCH; disorder characterized by proliferation of Langerhans cells) and Rosai-Dorfman disease (RDD; histiocytic entity that is one of the non-Langerhans cell diseases) is extremely rare and raises several questions regarding the nature of the diseases. We describe a 10-year-old boy who presented with a ...
Xi Shaoyan - - 2013
The biological character of epithelioid angiomyolipoma (EAML) remains controversial and little is known about EAML in children. We present a case of a 7-year-old boy with abdominal distention, diagnosed as EAML. Under microscopy, epithelioid cells were observed, with eosinophilic or slightly eosinophilic cytoplasm and nuclear pleomorphism, thick-walled blood vessels, and ...
Chang Chen - - 2013
Abstract The WHO lymphoma classification has been widely adopted by hematopathologists. However, its practical application in general pathologists is largely unknown. By a hematopathology consultation program in Taiwan, we had reviewed 406 cases. Diagnostic discrepancies were scored based upon whether the divergence would alter disease management according to National Comprehensive ...
Chou Ya-Ling - - 2013
Bacillus cereus is an aerobic Gram-positive, spore-forming, rod-shaped bacterium that is responsible for foodborne illnesses. We report on a 15-year-old girl with B-cell acute lymphoblastic leukemia, who fell into a somnolent state after presenting with a 12-hour history of fever, muscle soreness, myalgia in both calves, sore throat, and vomiting. ...
Chakraborty Subhankar - - 2013
Herpes simplex virus 1 (HSV-1) is the principal cause of viral necrotizing encephalitis in developed countries. Small cell carcinoma of the lung accounts for about 15% of all lung cancer. HSV induced encephalitis (HSE) following prophylactic cranial irradiation (PCI) in SCLC is rare. Here, we describe the case of a ...
Vasileiadis Ioannis - - 2013
Metastatic tumors to the palatine tonsils are extremely rare, with nearly 100 cases reported. Only 3 cases of Merkel cell carcinoma of the skin metastasizing to the palatine tonsil have been reported. We present the interesting case of a 61-year-old man with an enlargement of the left palatine tonsil that ...
Ahmad Z - - 2013
The failure rate of rotator cuff repair is high. Regenerative techniques using material scaffolds, stem cells, and growth factors help augment repair and regenerate tissue. We reviewed the literature of various regenerative techniques in terms of (1) enhancing the repair process, (2) tissue regeneration, (3) mechanical strength, and (4) clinical ...
He Lang - - 2013
Desmoplastic small round cell tumors (DSRCTs) are extremely rare and mainly affect adolescents and young adults. The tumors are usually involved with the abdominal area and/or the pelvic peritoneum. Only a small number of cases have been reported concerning DSRCTs of the testicular region. The present study reports a case ...
Park Robert M RM National Institute for Occupational Safety and Health, Education and Information Division, Cincinnati, OH, - - 2013
Exposure to manganese (Mn) is associated with neurobehavioral effects. There is disagreement on whether commonly occurring exposures in welding, ferroalloy, and other industrial processes produce neurologically significant neurobehavioral changes representing parkinsonism. A review of methodological issues in the human epidemiological literature on Mn identified: (1) studies focused on idiopathic Parkinson ...
Sellami-Dhouib Rym - - 2013
Through this case presentation and a review of the literature, we aim to describe clinical and pathologic features and to distinguish the outcome of these tumors. A 25-year-old woman presented with pelvic pain and an iliac mass. Workup revealed a 53-mm cystic partitioned mass of the left ovary infiltrating the ...
Armstrong Matthew A - - 2013
Chest pain is a common complaint in the Emergency Department that rarely can be attributed to anterior mediastinal masses. We review the differential diagnosis for anterior mediastinal masses and their potential consequences. An unusual case of chest pain in a young male patient is presented that is caused by an ...
Sekiguchi Yasunobu - - 2013
A 65-year-old man was diagnosed with angioimmunoblastic T-cell lymphoma (AITL) with bone marrow (BM) infiltration and myelofibrosis (MF). The BM infiltration and the condition of the MF improved following CHOP therapy (cyclophosphamide hydrate, doxorubicin hydrochloride, vincristine sulfate, and prednisolone). After complete remission was achieved, early central nervous system recurrence was ...
Afrogheh Amir - - 2013
PEComas are a family of mesenchymal neoplasms that have in common the presence of a unique cell type, the perivascular epithelioid cell (PEC). PECs uniquely exhibit a distinct immunophenotype with expression of both melanocytic, particularly HMB-45, and myogenic markers. Nasal PEComas are exceedingly rare. To date, 14 cases have been ...
Devitt Katherine A - - 2013
Abstract Pancytopenia is regularly encountered in hematology practice, yet there exist few published assessments of the frequencies of various etiologies, and these frequencies exhibit substantial geographic variation. We reviewed bone marrow specimens from pancytopenic adults to determine the most common etiologies and to identify associations with clinical and laboratory findings. ...
Vetter-Laracy Susanne - - 2013
Congenital Langerhans cell histiocytosis is usually limited to cutaneous lesions and has a good prognosis. In rare cases of gut involvement, mortality is high and early and aggressive treatment essential. We report a case of histiocytosis in a newborn with bowel involvement, and performed a literature review of 13 similar ...
Ko Po Y - - 2013
Nodular fasciitis is a benign, proliferative lesion of myofibroblasts developed from the fascia. It arises commonly in the upper extremities of adults and in the head and neck region of infants and children. Involvement of the knee is exceedingly rare. We report a case of a 4-year-old girl with a ...
Hilbrandt Christine - - 2013
It is often easy to distinguish between primary brain tumors and metastases based on morphology alone. However, in some cases immunohistochemistry (IHC) is necessary to obtain a diagnosis, but, as the present case report illustrates, this is not always straightforward. A 75-year old man was admitted to the hospital with ...
Ghanadan Alireza - - 2013
Syringoma is a benign adnexal tumor derived from intraepidermal eccrine duct. The aim of the study is to report the experience concerning syringoma by reviewing the clinical and histopathologic features of a series of 34 histologically diagnosed syringoma patients observed over a period of six years. Thirty-four patients were sorted ...
Jijelava Kristen P - - 2013
Diffuse anterior retinoblastoma is a rare variant of diffuse infiltrating retinoblastoma which occurs in up to 1-2% of cases of retinoblastoma. In diffuse anterior retinoblastoma there is a small focus of tumor in the peripheral retina from which free tumor cells enter the aqueous humor and implant on the ciliary ...
Wanat Karolyn A KA Department of Dermatology, University of Pennsylvania, Philadelphia, PA 19104, - - 2013
Sarcoidosis is a chronic multisystem disorder characterized by the formation of noncaseating epithelioid cell granulomas affecting multiple organ systems. The role of the type 1 helper T (T(H)1) cell in sarcoidal granuloma formation has been well documented, and the T(H)17 pathway in sarcoidosis is just now being investigated. T(H)17 cells ...
Terzic M M Clinical Center of Serbia, Clinic of Obstetrics and Gynecology; Department of Obstetrics and Gynecology, Faculty of Medicine, University of Belgrade, Belgrade, - - 2013
This report shows that even extremely large nascent uterine myomas can be removed vaginally. A 25-year-old nulligravid and nulliparous patient with malaise, hypermenorrhea, and intermittent cramping pain in the lower abdomen was referred to our clinic. Gynecological examination revealed a round cauliflower-like tumor, 7 cm in diameter, originating from the external ...
Khorgami Zhamak Z Department of Surgery, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran ; Research Center for Improvement of Surgical Outcomes and Procedures, Shariati Hospital, Tehran University of Medical Sciences, Tehran, - - 2013
Primary colorectal lymphoma (PCL) is a rare condition that accounts for asmall percentage of all gastrointestinal (GI) malignancies. There are severalreports in the literature regarding the most common features of PCL. However,primary lymphoma in the rectosigmoid junction has been rarely reported. Ourcase was a 67-year-old male who presented with non-specific ...
Edey K - - 2013
To identify whether recurrences were picked up by cytology alone after radical vaginal trachelectomy and to determine the false-positive rate of abnormal cytology. Retrospective collection of patients from the cancer registry since radical vaginal trachelectomy was first performed in Bristol in 1999. All cytology results were collated and re-reviewed by ...
1 2 3 4 5 6 7 8 9 10 >