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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 ...
Ward Katherine A - - 2010
The term angiosarcoma, encompasses several neoplasms, all of which exhibit a malignant process derived from endothelial cells of the vessels. The most common form of angiosarcoma is highly aggressive, often fatal, and usually affects the head and neck region of elderly white men. Other low-grade forms of angiosarcoma, including papillary ...
Geramizadeh Bita - - 2010
Intrapulmonary solitary fibrous tumor is a very rare neoplasm. Our review of the English literature suggests that it has not previously been reported in children younger than 10 years. Herein, the occurrence of such a rare lesion invading the tracheobronchial tree is reported in a 7-year-old boy.
Barker Douglas - - 2010
We report a case of a 54-year-old Caucasian woman with an earlier diagnosis of Peutz-Jeghers Syndrome (PJS) and sex cord tumor with annular tubules (SCTAT). The sex cord stromal tumors showed aggressive malignant behavior with repeated recurrence and metastasis. This is an unusual behavior of SCTAT in patients with PJS, ...
Hino Haruaki - - 2010
Angiomyolipoma is generally found in the kidney, but is especially rare in the lung. Nine cases of angiomyolipoma in the lung have been reported previously, and in 3 of these patients it was involved with nephrectomy for renal angiomyolipoma. The origination of the tumor was not completely recognized, but lymphangioleiomyomatosis ...
de San Pedro Javier Ros - - 2010
Massive hemorrhage is a very uncommon event among hemangioblastomas. Forty-four cases have been reported before this review. Thorough analysis of all reported cases on literature was accomplished. The majority presented as parenchymatous or subarachnoid bleedings. Subarachnoid hemorrhage was only associated with spinal hemangioblastomas, while parenchymatous bleedings were more, but not ...
Polistina F - - 2010
Desmoid tumors (DTs) are neoplasms of fibroblastic origin characterized by lack of a capsule. They are nonmetastatic and locally aggressive. Intraabdominal DTs are often observed in familial adenomatous polyposis and Gardner syndrome or subsequent to localized traumatic injury. Sporadic forms are defined as nontrauma- or nongenetic-related DTs. Isolated, sporadic pancreatic ...
Kurmann Anita - - 2010
In a large series of nonselected autopsy investigations an accessory spleen was found in 10-30%. The second most common site is the pancreatic tail (17%). We report a case of intrapancreatic accessory spleen misdiagnosed as a nonsecreting neuroendocrine tumor of the pancreas. Nuclear scintigraphy may provide the definitive diagnosis of ...
Yeasmin S - - 2010
Exaggerated placental site is defined as a non-neoplastic trophoblastic lesion featuring exuberant infiltration into the endometrium and myometrium by intermediate trophoblasts and syncytiotrophoblasts. Exaggerated placental site can occur following normal or ectopic pregnancy, abortion, or hydatidiform mole. We encountered a case of reactive exaggerated placental site seven months following normal ...
Yap Felix Boon-Bin - - 2010
A case of syringocystadenoma papilliferum with multiple papulonodules in a linear fashion located in an unusual location of the right lower abdomen is presented. The presence of a large tumor at the inferior pole raised the suspicion of malignant transformation and the presence of discharge from the lesions raised the ...
Lee S H - - 2010
Malignant mixed mesodermal tumors (MMMTs) are composed of carcinomatous and sarcomatous components and have an aggressive metastatic potential, resulting in a poor prognosis. MMMTs of gynecologic origin typically arise from either the ovary or the uterus, and MMMTs of the cervix are extremely rare. Due to the rarity of MMMTs ...
Chuang Fu-Hsiung - - 2010
Ameloblastoma is the most common clinically significant epithelial odontogenic tumor, and is considered a benign but locally aggressive tumor of the craniofacial region. We present the case history of a 46-year-old male patient who had a nasopharyngeal carcinoma (NPC) treated by irradiation, which was complicated by the occurrence of an ...
Mahdavi Ali - - 2010
To the best of our knowledge, the association between air travel and intra-tumoral hemorrhage in pediatric populations has never been described previously. We report the case of a two-and-a-half-year-old Caucasian, Iranian boy with a hemorrhaging brain tumor. He had a posterior fossa midline mass and severe hydrocephalus. He had been ...
Grauvogel Juergen - - 2010
BACKGROUND: The simultaneous occurrence of cerebellopontine angle (CPA) meningioma and vestibular schwannoma (VS) in the absence of neurofibromatosis type 2 or history of irradiation is very rare. We report a case with coexistent CPA meningioma and VS, which were radiologically not distinguishable in preoperative imaging. CASE DESCRIPTION: A 46-year-old female ...
Smolarz Joseph R - - 2010
Less than 80 reported cases of paragangliomas of the larynx are reported in the literature. A role for external beam radiation in this disease has not yet been explored. We present four cases of laryngeal paragangliomas treated at a large tertiary-care cancer center over a 35-year period. 124 cases of ...
Kourda Jihene - - 2010
Benign myoepithelioma is extremely rare in the lung, to the best of our knowledge; only five cases have been reported in the literature. An 18-years woman complained from tiredness and fever during four months. Laboratory findings and fibroscopies were normal. CT of the thorax demonstrated a nodule in the left ...
Karvouni Helen - - 2010
Intranodal palisaded myofibroblastoma is a rare benign soft tissue tumor, almost always arising from inguinal lymph nodes. It usually presents as a painless, slow-growing inguinal mass. We report herein a case of an intranodal palisaded myofibroblastoma occurring in a 36-year-old man. The salient clinicopathologic features of this unusual tumor are ...
Geramizadeh Bita - - 2010
Desmoplastic infantile ganglioglioma (DIG) is a rare supratentorial brain tumor occurring mostly before the age of 2 years. It has a good prognosis and total excision of the tumor is curative, necessitating no further treatment. An accurate pathologic diagnosis is crucial. Until now, <60 cases of this tumor type have ...
Wang Haiwei - - 2010
The main purpose of this study is to broaden the clinicopathological spectrum and increase recognition of follicular dendritic cell sarcoma (FDCS) through analysis of the clinical and pathological features of 50 cases. The clinicopathological features of total 50 cases of FDCS were analyzed including a review of 44 cases reported ...
Xu Feng - - 2010
Carcinosarcoma is a rare biphasic malignancy consisting of intermixed epithelial and mesenchymal elements. Carcinosarcoma is particularly rare among children. We accepted a 7 year old patient with retroperitoneal carcinosarcoma. The tumor was totally resected and no recurrence is found 11 months after operation. Literatures has been reviewed and there are ...
Giannico Giovanna - - 2009
Osteoblastoma, an uncommon primary bone tumor, produces both osteoid and primitive woven bone in a background of fibrovascular connective tissue. Although most osteoblastomas are considered benign, a controversial aggressive variant has been described, which may cause diagnostic confusion with malignant tumors such as osteosarcoma. To date, no specific diagnostic cytogenetic ...
Haldar K - - 2010
BACKGROUND: Aggressive angiomyxoma was identified as a distinct clinicopathologic entity in 1983 and since then fewer than 250 cases of these rare tumors have been reported in world literature. These tumors usually arise in the pelvis and perineal regions, most often in women of the reproductive age group; however a ...
Edwards Brooke - - 2009
Schwannomas, a soft-tissue tumor of a Schwann cell, involving the kidney are rare, with few cases available in the literature. Herein, we report a case of a rare variant, an ancient schwannoma of the renal hilum.
Migita Kazuhiro - - 2009
Solitary fibrous tumors (SFTs) are uncommon neoplasms of mesenchymal origin that usually arise from the pleura. SFTs of the abdominal wall are extremely rare, and only 12 cases have been reported in the English language literature. This report presents a new case of SFT of the abdominal wall in a ...
Saleh Husain - - 2009
A granular cell tumor (GCT) is typically a benign neural tumor of Schwann cell origin that occurs in the 4th to 6th decade of life usually as a solitary painless nodule in the dermis or subcutis. It can also be found in internal organs including the larynx, bronchus and gastrointestinal ...
Pasquinelli Gianandrea - - 2009
Superficial acral fibromyxoma (SAFM) is an uncommon tumor of the superficial soft tissues of acral sites. SAFM is a proliferation of fibroblastic cells, within a myxoid to collagenous stroma. The published cases mostly expressed immunoreactivity for CD34, CD99, EMA, and, less frequently, CD10. The authors report an additional case that ...
Yoon Sang Hoon - - 2010
An inflammatory myofibroblastic tumor (IMT) is a rare disease entity reported to arise in various organs but still thought to be a neoplastic or reactive inflammatory condition controversially. The author reports an extremely rare case of intradural extramedullary IMT of lumbar spine which was presenting radiculopathy and neurogenic intermittent claudication ...
Kim King - - 2009
To the authors' knowledge, this is the first reported case of an odontogenic carcinoma with documented skeletal muscle differentiation (rhabdomyosarcoma). The histology and clinical features of this aggressive odontogenic neoplasm are described. Within the English-language literature, only 2 cases are reported of an odontogenic tumor with muscle differentiation: a benign ...
Price Theolyn N - - 2009
OBJECTIVE: To report 3 cases of primary neuroendocrine tumors (PNT) of the extrahepatic biliary tree (EHBT) in patients with Zollinger-Ellison syndrome (ZES), 2 of whom had multiple endocrine neoplasia type 1 (MEN 1). METHODS: Three new cases of gastrin-producing tumors of the EHBT are presented, and the pertinent literature relating ...
Woo Victoria L VL Department of Biomedical Sciences, School of Dental Medicine, University of Nevada, Las Vegas, NV 89106, USA. - - 2009
Tumor-induced osteomalacia (TIO) is a rare paraneoplastic syndrome that results in renal phosphate wasting with hypophosphatemia. In most cases, the underlying cause of TIO is a small mesenchymal neoplasm that is often difficult to detect, resulting in delayed diagnosis. One such neoplasm is the phosphaturic mesenchymal tumor, mixed connective tissue ...
Papavramidis Theodossis S - - 2009
Ganglioneuromas arise from the neural crest and are highly differentiated and benign. The case of a 43-year-old female who presented with a 6.5 cm primary extra-adrenal retroperitoneal ganglioneuroma (RGN) is presented, and the relevant English literature from the last decade is reviewed. Histology showed mature ganglion cells and nerve fibers ...
Agrawal Amit - - 2009
Atypical teratoid/rhabdoid tumor (AT/RT) is a highly aggressive and uncommon tumor of the central nervous system, primarily affecting young children. AT/RT of the paraspinal region with involvement of the spine and spinal cord is extremely rare, with only few case reports in the literature. We report an unusual case of ...
Sakayama Kenshi - - 2009
A case of osteosarcoma of the talus is reported. Osteosarcoma of the talus is very rare. The patient is alive and she has been continuously disease free for five years after surgery. This is the first case of osteosarcoma of the talus with reconstruction using a frozen bone method, an ...
Einama Takahiro - - 2009
Chylous ascites (CA) is an extremely rare complication of abdominal surgery in children. This report describes a 4-month-old girl with malignant rhabdoid tumor of the kidney (MRTK), who developed CA after left nephrectomy without lymphadenectomy, and who was successfully treated conservatively with enteral therapy. The literature on CA after nephrectomy ...
Matthews Alisa - - 2010
AIMS: Recurrent cytogenetic abnormalities have been reported in many types of soft tissue neoplasms, and the detection of these aberrations imparts diagnostic utility. The aim of this study is to demonstrate that classical karyotyping may be performed with minimal effort as an adjunct to surgical pathology on fresh tissue submitted ...
Teoh Kar Hao KH Department of Orthopaedic Surgery, Royal Hospital for Sick Children, Sciennes Road, Edinburgh, UK. - - 2009
Bizarre parosteal osteochondromatous proliferations (BPOP), also known as Nora's lesions, are rare tumors occurring most commonly in the hands and feet. They are benign and rarely exhibit radiological evidence of cortical invasion. We report a case of BPOP showing atypical magnetic resonance imaging features that are inconsistent with BPOP and ...
Zerrweck-L?pez Carlos - - 2009
BACKGROUND: Neuroblastoma is a common malignancy in infancy but extremely rare in adults. These tumors, commonly found in the abdomen, originate in the sympathetic nervous system. Staging and management are standardized in children and adults, although their prognosis is very different, being more aggressive and with a poorer outcome in ...
Jingyu Chen - - 2009
Intraspinal primitive neuroectodermal tumors (PNETs) are extremely rare and are aggressive with poor outcomes. Till date only 41 cases of intraspinal PNET have been reported. Here we report four new cases. Total excision of the tumor was done in three patients and partial excision in one patient. The unusual clinical ...
Treetipsatit Jitsupa - - 2009
Alveolar rhabdomyosarcoma (RMS) is 1 of 2 main subtypes of RMS in the pediatric age group and tends to occur in the extremities. The urogenital tract is another common site for RMS, but this typically involves the embryonal subtype including sarcoma botryoides. We report a 28-year-old male with a prostatic ...
Loehn Bridget - - 2009
This article reports an unusual presentation wherein the first evidence of distant failure from a locally controlled, recurrent skull base chordoma was a metastasis to the mandible. We present a case report from a tertiary-care academic skull base referral center and a review of literature. A 33-year-old woman with a ...
Park Hun - - 2009
A rare case of hemifacial spasm caused by an ipsilateral tentorial meningioma is described. Magnetic resonance imaging showed a huge tumor in the right cerebellar hemisphere, distant to the cerebello-pontine cistern. The facial-vestibulocochlear nerve complex was stretched by the shift of the brainstem and the right cerebello-pontine cistern was effaced. ...
Bagga Rashmi - - 2010
INTRODUCTION: Adenosarcoma of the uterus is a rare tumor composed of benign epithelial and malignant stromal components, usually encountered in young women. Till date, more than 100 cases of mullerian adenosarcoma of the cervix with homologous elements have been reported. However, only 15 cases of mullerian adenosarcoma of the cervix ...
Otero-Rodríguez A - - 2009
INTRODUCTION: Primitive neuroectodermal tumors (PNETs) are malign neoplasms of the central nervous system which mainly locate in cerebellum (medulloblastoma). Primary intraspinal PNETs are rare. Within this group, we have found ten cases of purely intramedullary PNETs (IPNETs). In this report, we describe a new IPNET case and review the literature ...
Ji Feng F Department of Gastroenterology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, Zhejiang Province, China. - - 2009
Esophageal carcinosarcoma is a rare malignant tumor composing of both carcinomatous and sarcomatous elements. Endoscopic therapy is less invasive and may represent an alternative to esophagectomy for superficial esophageal carcinosarcoma. Here, we report a 61-year-old male who was diagnosed as esophageal carcinosarcoma and underwent endoscopic polypectomy with well tolerance and ...
Burgos Jorge - - 2009
OBJECTIVE: To present an exceptional clinical case of functional follicle-stimulating gonadotropin secretion by a thorax neuroendocrine carcinoid tumor. DESIGN: Case report. SETTING: Department of Obstetrics and Gynecology, Cruces University Hospital, Vizcaya, Spain. PATIENT(S): A 26-year-old woman with ovarian hyperstimulation. INTERVENTION(S): Diagnosis algorithm. MAIN OUTCOME MEASURE(S): Successful management of ovarian hyperstimulation. ...
De Palma Giovanni D - - 2010
To date, about 100 cases of ampullary NET are reported in International literature. These tumors can cause symptoms mainly secondary to their periampullary location. Up to 25% of patients have von Recklinghausen's disease. Carcinoid syndrome is uncommon, unless hepatic metastasis is present. Determination of histopathology is of utmost importance and ...
Gupta Ruchi - - 2009
Ovarian neoplasms account for only 1% of all tumors in girls below the age of 17 years, and among these, malignant epithelial ovarian tumors are even more uncommon. We would like to report a case of ovarian epithelial malignancy presenting at 11 years of age with extensive peritoneal dissemination. The ...
Alsaif H S - - 2009
Primary "xanthoma" of the bone is a rare lesion of unsettled histogenesis that may pose a diagnostic challenge owing to its wide range of differential diagnosis. Herein, we present a case of primary xanthoma of the right acromion in a middle aged woman who had no aberrant lipid metabolism or ...
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