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Küpeli Serhan - - 2010
Mesenchymal chondrosarcomas are rare malignant tumors in pediatric age group. The authors present a case of mesenchymal chondrosarcoma located in the sacrum in a 10-year-old-girl that was successfully treated with chemotherapy and radiotherapy after surgical excision. According to the authors' literature search, the patient is the first reported case of ...
Solis Orestes E - - 2011
Rosette-forming glioneuronal tumor (RGNT) of the fourth ventricle is a mixed glio-neuronal neoplasm recently codified by the World Health Organization WHO Classification of Central Nervous System (CNS) Tumors (2007). To date, 43 cases have been described in the literature; most occurring in the fourth ventricle region. We report the fourth ...
Chohan Muhammad Omar - - 2010
This is a single case-based report. We report the first case of epithelioid trophoblastic tumor (ETT) presenting as primary metastasis to the spine. ETT is an extremely rare form of gestational trophoblastic neoplasm with less than 100 cases reported in the literature. A 36-year-old, postpartum woman presented with severe low ...
Zhang Jing - - 2011
Clear cell odontogenic carcinoma (CCOC) is a rare malignant tumor. To date, only 67 cases were described in the English literature and complete understanding of the behavior of CCOC was based on limited case reports. In this article, we reported 6 additional cases and reviewed the relevant literature. Our cases ...
Chakraborti Shrijeet - - 2011
Liponeurocytoma is not exclusive to the cerebellar or fourth ventricular location. Since its inclusion in the central nervous system tumor classification in 2000, six cases with similar radiological, histomorphological and immunohistochemical features have also been described in the lateral ventricles. In the present study, we report clinical, radiological and pathological ...
New Douglas - - 2010
Atypical fibroxanthoma (AFX) is a low-grade sarcoma usually occurring on sun-damaged skin of the head and neck in elderly patients. Metastatic disease has been reported very rarely. The potential aggressiveness of AFX is controversial. We describe herein a patient who developed metastatic disease in cervical lymph nodes. Our patient was ...
Gdoura F - - 2010
We report the case of an osteoblastoma of the hamate bone that was successfully treated by curettage. This tumor is very rare in a carpal bone and only nine cases have been reported in the literature. Pathological examination is mandatory before treatment due to the lack of distinctive clinical and ...
Santos Pedro Paulo de Andrade - - 2010
Schwannomas, also known as neurilemmomas, are uncommon neoplasms apparently derived from Schwann cells. The growth of these tumors causes displacement and compression of the nerve of origin. Schwannomas are usually solitary lesions but can be multiple when associated with neurofibromatosis. Anti-S100 protein is the most widely used antibody for the ...
Afshar-Oromieh Ali - - 2010
Cerebellar mutism (CM) is a rare and severe form of speech and language impairment, mostly diagnosed in children and adolescents and rarely reported in adults. We here review the literature and summarize all anatomical structures related to the pathogenesis of this rare syndrome. We also report two illustrative cases of ...
McGowan Joseph J - - 2011
We present two unique cases of fibrous hamartoma of infancy defined by giant-sized and/or multicentric cutaneous and subcuticular lesions-features not, to our knowledge, reported to coexist. We review the nature of such tumors and examine the clinical implications of tumor size and multicentricity on risk for recurrence and likelihood of ...
Terranova Claudio - - 2010
We report the case of a 41-year-old woman who died after surgical intervention for liposuction. The case was studied by a methodological approach including examination of clinical records and documentation, analysis of anatomo-histopathological findings and evaluation of physicians' behaviour. Autopsy excluded the lethal complications most frequently associated with liposuction (pulmonary ...
Peppa Melpomeni - - 2010
To report a case of oncocytoma, a relatively rare adrenal tumor, which most commonly is detected as an adrenal incidentaloma. We present a case report, including laboratory, imaging, and pathologic findings, of a 47-year-old obese woman who had hypertension and an incidentally found large, left adrenal mass. On the basis ...
Lim Yeon-Jung - - 2010
Functioning adrenocortical oncocytomas are extremely rare and most reported patients are 40-60 yr of age. To our knowledge, only 2 cases of functioning adrenocortical oncocytomas have been reported in childhood. We report a case of functioning adrenocortical oncocytoma in a 14-yr-old female child presenting with virilization. She presented with deepening ...
DeMarchi Ryan - - 2011
We report a case of de novo malignant ganglioglioma. A 61-year-old male presented with a 12-day history of headaches and general malaise. Pre-operative magnetic resonance imaging revealed an irregular enhancing mass in the left temporal lobe with associated dural enhancement and subacute subdural hematoma. The findings at surgery were of ...
Jiménez Lincoln - - 2010
Pilomyxoid astrocytoma (PMA) is a recently defined brain tumor believed to be a variant of pilocytic astrocytoma (PA), but with a more aggressive course. Most PMAs occur in the optic-chiasmatic/hypothalamic (OCH) region but they have also been described in the posterior fossa, temporal lobe, and in the spinal cord. We ...
Karadag Demet - - 2010
Neoplasms arising within urethral diverticula are rare. It is important to know if a diverticulum is filled by tumor, but traditional diagnostic methods, such as voiding cystourethrography, cannot detect a tumor or diverticulum, as in our case. We report an unusual case of leiomyoma developing in a female urethra diverticulum ...
Tsimpas Asterios - - 2010
BACKGROUND CONTEXT: Large cell neuroendocrine carcinoma of the lung is an aggressive tumor with unique histopathological features. It is not known to metastasize to the spine. PURPOSE: To report a metastatic case of this rare tumor to the cauda equina. STUDY DESIGN: Case report. METHODS: Retrospective case review and review ...
Belcher Rosie - - 2010
Ependymomas rarely arise from the region of the pituitary fossa, with only four cases previously reported in the literature. We present a complex case of a recurrent ependymoma of the parasellar region which has been difficult to clinically manage due to its tendency to recurrence. Our patient has had four ...
Loizzi Vera - - 2010
Carcinosarcoma is a well-recognized tumor even if it is an uncommon entity. Neoplasms usually occur in the oral cavity, pharynx, esophagus, larynx and skin, and have been rarely documented in the female genital tract. This case reports a patient with a diagnosis of vulvar carcinosarcoma that has been treated with ...
Duggal Rajan - - 2010
Mullerian adenosarcoma is a rare biphasic malignant neoplasm of the cervix characterized by an admixture of benign epithelial elements and a malignant sarcomatous stromal component, which may be either homologous or heterologous. An aggressive variant of adenosarcoma, mullerian adenosarcoma with sarcomatous overgrowth (MASO) is extremely rare, with only two such ...
Rechner J - - 2011
Lymphangiomas are rare benign tumors. In most cases, resection is necessary to obtain a precise histopathological analysis. There are capillary, caverous and cystic lymphangiomas. The therapy of choice is a complete excision. Recurrence has been reported after incomplete resection. We present the case of a 45-year-old man with a lymphangioma ...
Maher Abdulrahman - - 2010
Intralobular capillary hemangioma is an extremely a rare form of vascular tumor that has important clinical implications. We report a case of 41-year-old woman that presented to us as a primary neck mass in an outpatient setting. This case reinforces the need to consider vascular tumors in the evaluation of ...
Cox Darren P - - 2010
OBJECTIVE: The aim of this study was to review the reported cases of solitary fibrous tumor (SFT) in the head and neck and to evaluate this tumor regarding histologic features, treatment, and recurrence. SFT has been described in many extrapleural sites, including the head and neck. Uniform overexpression of CD34 ...
Hoosien Michael - - 2011
Extraskeletal myxoid chondrosarcoma is a rare tumor with less than 100 cases reported in the literature. The prevalence of anti-Hu positive myxoid chondrosarcoma-associated paraneoplastic subacute cerebellar degeneration is exceedingly rare. We present a report of a patient with confirmed myxoid chondrosarcoma-associated paraneoplastic subacute cerebellar degeneration, who exhibited marked improvement within ...
Hsieh Min-Shu - - 2011
The authors report a case of myxoid adrenal cortical carcinoma (ACC) clinically manifesting as primary hyperaldosteronism. The 82-year-old female patient had a history of hypertension and was sent to the emergency room because of change in consciousness. Ventricular fibrillation occurred, and severe hypokalemia was found. Increased renal loss of potassium, ...
Rauso Raffaele - - 2010
Ameloblastomas are benign odontogenic tumors but are locally aggressive, most commonly occurring in the mandible and in the third to fifth decade of life. The male-to-female ratio is approximately equal. Recurrence of ameloblastoma due to inadequate treatment is often described. Recurrences in the temporal area are very rare and are ...
Heffernan Thomas P - - 2010
Phyllodes tumor of the vulva is extremely rare with only 6 cases reported in the literature. We report a case of recurrent phyllodes tumor of the vulva in a 39-year-old woman. The tumor showed biphasic morphology with a typical leaf-like pattern and a cellular stroma with rare mitosis. Expression of ...
Soloni Pietro - - 2010
Pancreatic solid papillary cystic tumor is a rare neoplasm with an excellent prognosis if surgical excision is complete. We report on a case and review 47 more cases extracted from the published literature to assess the treatment options when solid papillary cystic tumor is considered unresectable. Chemotherapy and radiotherapy were ...
Bech Cecilia - - 2010
INTRODUCTION: Malignant pleural mesothelioma is a rare aggressive disease with a poor prognosis and usually modest responses to chemotherapy. Complete responses (CRs) to chemotherapy are rare. Evaluation is usually based on radiology, and CR is therefore clinical CR (cCR) and whether this indicates absence of viable tumor cells is unknown. ...
Liang Xiayuan - - 2010
Thymoma is an uncommon and slow-growing neoplasm. It is derived from thymic epithelial cells and comprises about 20% to 30% of mediastinal masses in adults, but only about 1% in pediatric patients. Patients usually present with mass-associated respiratory symptoms, superior vena cava syndrome, or paraneoplastic syndrome including myasthenia gravis, pure ...
Bergmann M M Department of Neuropathology, Klinikum Bremen-Mitte, Bremen, - - 2010
Chordomas are rare malignant bone tumors of the skull base or sacrococcygeal region. They derive from notochordal remnants and usually have a chronic progressive course. Even rarer, intradural chordomas with a better biological behavior have also been reported. We present 3 further primary intradural extraosseous chordomas with a favorable clinical ...
Ryu Eun Mi - - 2010
A tumoral pseudoangiomatous stromal hyperplasia (PASH) that causes huge breast enlargement is very rare. Only two cases of huge tumoral PASHs have been reported in the English medical literature. We report here on a surgically confirmed case of bilateral huge tumoral PASH in a 47-year-old woman, and we present the ...
Siraj Fouzia - - 2011
Compared with osteosarcoma of bone, extraskeletal osteosarcoma is rare and accounts for approximately 1% to 2 % of all soft tissue sarcomas. Osteosarcoma arising in soft tissues is exceedingly rare in children. The tumor most often affects older adults, involves the lower extremity, responds poorly to chemotherapy, and carries a ...
Shimomura Manabu - - 2010
An 18-year-old girl presented with abdominal pain and a tumor was subsequently detected in the jejunum. We therefore carried out a wedge resection of the jejunum. The diagnosis of GIST was confirmed histologically, and a mutation in exon 9 of the c-kit gene was observed. GISTs are rare in pediatric ...
Papaspyrou George - - 2011
Rhabdomyomas are rare benign mesenchymal tumors with skeletal muscle differentiation. They are less commonly encountered than are their malignant counterparts, rhabdomyosarcomas. Rhabdomyomas fall into 2 general categories: cardiac and extracardiac types. Extracardiac rhabdomyomas are among the rarest tumors in humans and can be subclassified as fetal, juvenile, and adult types ...
Muhlstein Joël - - 2010
The diagnosis of neuroblastoma is rare after the age of 15 years, and anatomical locations are essentially the adrenal glands and paraspinal sites. Neuroblastomas in adolescents are most often metastatic and carry a very poor prognosis. We report the case of a 17-year-old young woman in whom the diagnosis of ...
Hakozaki Michiyuki - - 2010
Castleman's disease (CD), a rare benign disease characterized by lymphoid hyperplasia, typically arises in the mediastinum as a solitary tumor. We describe herein a rare case of intramuscular CD occurring in the left deltoid in a 28-year-old woman. The present case is instructive in the differential diagnosis of primary soft ...
Liszka Lukasz - - 2010
BACKGROUND: Intraductal oncocytic papillary neoplasms (IOPN) are rare tumors of the pancreatic and biliary ductal system. It is not absolutely clear if the molecular and clinicopathologic characteristics of IOPN differ significantly from other related lesions, namely intraductal papillary mucinous neoplasms (IPMN). Therefore it is not clear if it is reasonable ...
Li Zhao-Jian - - 2010
Even though many cases of pituitary fibrosarcoma (PF) have been reported, the etiologic classification of these tumors, however, remains undefined. Moreover, owing to the paucity of available case studies, the clinical characteristics of primary pituitary fibrosarcoma (PPF) have not been fully described. We report a 26-year-old female with pathologically confirmed ...
Huang T C - - 2010
Parosteal osteosarcoma is a rare malignancy of the bone that usually arises in the long bones. Involvement of the oral cavity is rare. Only 12 cases of intraoral parosteal osteosarcoma have been reported in the English language literature. This paper defines the major clinical, radiographic and histologic features of parosteal ...
Elazary Ram - - 2010
Gastro-intestinal stromal tumors (GISTs) of the appendix are a rare entity. To date, only a handful has been described in the literature, all of which have been of the benign type. We present the first reported case of a malignant appendiceal GIST. The tumor was discovered when the patient presented ...
Ohata Rumi - - 2010
Pancreatoblastoma (PB) is extremely rare. A 11-year-old boy, who had excision of dilated common bile duct with hepaticoduodenostomy when 9 years old was referred to our institute for further management of abdominal pain and steatorrhea. Imaging studies showed a solid 4 cm tumor in the head of the pancreas and ...
Luan ShiHai - - 2010
Rosette-forming glioneuronal tumor (RGNT) of the fourth ventricle has been identified as a novel and distinctive type of primary central nervous system neoplasm. In this report, we present a case with RGNT arising from the right cerebellar hemisphere. A 30-year-old female patient complained of headache for a five-year duration. Preoperative ...
Kharrat Salima - - 2010
BACKGROUND: Chondrosarcomas are slow-growing malignant tumors that usually arise from cartilaginous structures. It may occur in the head and neck region with a predilection for the maxillofacial skeleton, where it has been reported to occur particularly in the mandible and maxilla. Chondrosarcoma of the sinonasal tract is very rare. AIM: ...
Xia Lili - - 2010
Myopericytoma is a rare mesenchymal neoplasm with perivascular myoid differentiation. Myopericytoma arises most commonly in middle adulthood. The lesion generally involves the distal extremities; however, tumors can also arise at other sites, including the proximal extremities and head and neck. In this case report, a 43-year-old Chinese woman presented with ...
Zimmermann A P - - 2010
OBJECTIVES: Haemangiomas are the most common tumors of infancy affecting approximately 1 in 10 children. Unlike other tumors, haemangiomas enter an involution phase, during which they usually regress over the next several months to years. Sometimes intervention is required due to proliferative growth which is complicated by ulceration, bleeding, persistent ...
Guimarães Susana - - 2010
Unexpected child death investigation is a difficult area of forensic practice in view of the wide range of possible genetic, congenital, and acquired natural and nonnatural causes. Idiopathic infantile arterial calcification (IIAC) is a rare autosomic recessive disease usually diagnosed postmortem. Inactivating mutations of the ENPP1 gene were described in ...
Efe Turgay - - 2010
BACKGROUND: Malignant degeneration in association with orthopaedic implants is a known but rare complication. To our knowledge, no case of osseous malignant fibrous histiocytoma after anterior cruciate ligament reconstruction is reported in the literature. CASE PRESENTATION: We report a 29-year-old male Turkish patient who presented with severe pain in the ...
Shahid Kameron R - - 2010
This report describes two cases of monophasic synovial sarcoma which were initially diagnosed as benign nerve sheath tumors based on imaging features. Retrospective review of the first case and re-review of the second case after initial diagnosis showed imaging features which distinguished the lesions from classical, benign neurogenic tumors. Accurate ...
Monson Erik - - 2010
The majority of soft tissue masses seen in the lower extremity are benign tumors caused by degenerative, reactive, or inflammatory processes. Sarcomas are relatively uncommon entities but need to be diagnosed and treated appropriately. We present a case of a myxoinflammatory fibroblastic sarcoma of the leg and review the literature ...
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