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Frangou Evan Mark - - 2009
BACKGROUND: Distant spread of craniopharyngioma is a rare but important complication. Most cases are a result of spread along the surgical path. We describe a rare case of metastatic leptomeningeal craniopharyngioma as a result of dissemination along CSF pathways in a child. A review of previously described cases is provided. ...
Bozi?? Boris - - 2009
Cerebellar glioblastoma in the elderly is rare. Only 33 cases have been reported in the literature. We report on a 65-year-old male patient with cerebellar glioblastoma. Computed tomography scan revealed a posterior fossa tumor of 34 x 33 x 52 mm in size, with hydrocephalus. The patient presented with posterior ...
Xynos Ioannis D - - 2009
We report 2 cases of leishmaniasis in patients with autoimmune rheumatic diseases in Greece. To assess trends in leishmaniasis reporting in this patient population, we searched the literature for similar reports from Europe. Reports increased during 2004-2008, especially for patients treated with anti-tumor necrosis factor agents.
Vujanić Gordan M - - 2009
BACKGROUND:: Central pathology review (CPR) is an important component of multicenter tumor trials. The authors retrospectively analyzed the quality of pathology material submitted to determine the benefits and limitations of rapid CPR. METHODS:: Analysis of pathology specimens from previous renal tumors in children trials (1980-2007) included the number of cases ...
Williams Carole - - 2009
BACKGROUND: The development of a mass in a surgical scar poses a diagnostic dilemma due to similarities in appearance to hernias, abscesses, hematomas or desmoid tumors. Scar endometriosis is uncommon and malignant change within this ectopic tissue is rare. CASE REPORT: The case of a 55-year-old woman with an isolated ...
Ahmadi Sebastian A - - 2009
Intracranial osteolipomas and chondromas are rare benign tumors. Forty-five chondromas, mostly supratentorial, have been reported in the literature since 1981, with origins most commonly in the sellar regions. Twenty-one osteolipomas have been described to date, usually located near the tuber cinereum or the corpus callosum. The authors present a case ...
Mutlu Mehmet - - 2009
Lipoblastomatous tumors are quite rare neoplasms derived from embryonic white fatty tissues. The majority is seen in infancy and early childhood. Generally they arise in extremities. Here, we present a 12-month-old female infant presenting with a mediastinal and cervical mass, showing left diaphragmatic eventration. We reviewed these cases and discussed ...
Chou Wen-Chi - - 2009
Dedifferentiated chordoma is a rare primary malignant bone cancer. Most cases of dedifferentiated chordoma (DC) are transformed from recurrent chordoma after surgical resection or radiation. The prognosis of DC is extremely poor because of the aggressive nature of the tumor and the potential distant metastases. We report a case of ...
Juneja Manish - - 2009
Dentinogenic ghost cell tumor is a rare odontogenic neoplasm. To date only 31 cases have been reported. We present a case of dentinogenic ghost cell tumor arising at much younger age of 14 in a female patient. This article reviews the cases reported in various case reports and in studies ...
Bradford Leslie - - 2010
Sarcomas of the female genital tract are very rare. A small subset of these, primary ovarian angiosarcoma, is even more rare, with only 26 cases reported in the literature. Most cases of advanced-stage disease are aggressive and demonstrate a poor response to both surgery and chemotherapy with an overall poor ...
Zhang Huo-Jun - - 2010
Extraskeletal osteosarcoma (EOS) is an uncommon and usually highly aggressive mesenchymal tumor. Retroperitoneal extraskeletal osteosarma (REOS) is exceedingly rare. Due to the rare nature of the disease, both the diagnosis and the management of REOS can be challenging. We present the clinical history, CT findings, angiographic manifestations, and use of ...
T?th L?szl? - - 2010
Since the first publication of a rhabdoid cancer, described as an infrequent variant of Wilms' tumor, several cases of extrarenal rhabdoid tumor have been reported in the literature. Here, we report on a primary rhabdoid cancer of the small intestine, and give a review of the data available in the ...
Kemerdere Rahşan - - 2009
Astroblastoma is a rare glial tumor with uncertain histopathological origin and unpredictable clinical behavior. In this report, the authors present two cases of high grade intracerebral astroblastomas. Both tumors occurred in children as supratentorial, well-circumscribed, peripheral masses. The lesions differed radigraphically; one contained a huge cystic component and heterogeneously enhancing ...
Gasco Jaime - - 2009
Angioleiomyomas are benign neoplasms most often located in the subcutaneous tissue of middle-aged individuals and usually confined to the subcuticular and deep dermal layers of the lower extremities. An intracranial site for this tumor is exceedingly rare, with very few reports documenting locations in the neuraxis. To the authors' knowledge ...
Mosca Rodrigo C - - 2009
Odontoameloblastoma (OA) is a very rare mixed odontogenic neoplasm, characterized by the simultaneous occurrence of an ameloblastoma and a compound or complex odontoma in the same tumor mass. To date, less than 50 cases of OA and/or ameloblastic odontoma have been reported in the English dental literature. This neoplasm was ...
Eom Ki Seong - - 2009
The authors report a case of 42-year-old woman with an intraventricular tumor in the trigone of the left lateral ventricle. The first operation achieved a microscopically complete resection. The tumor was histologically atypical meningioma. After 26 months, there were recurrences of intraventricular meningioma. Complete resection of the tumor and adjuvant ...
Kainuma Kazuyuki - - 2009
Chondrosarcoma make up only 10-20% of malignant primary bone tumors, with 5-10% located in the head and neck (Downey TJ, Clark SK, Moore DW. Chondrosarcoma of the nasal septum. Otolaryngol Head Neck Surg 2001;125:98-100), and nasal septal chondrosarcoma is extremely rare. Surgical excision is the only curative treatment and radiation ...
Gaertner Erich M - - 2009
Onychomatricoma is rare subungual tumor of nail matrix origin. We report a 40-year-old white man with an onychomatricoma of the left index finger that highlights the characteristic clinical and pathological features and expands the known case material. We also review the published medical literature on the subject.
Per Hüseyin - - 2009
Desmoplastic infantile gangliogliomas (DIG) are uncommon supratentorial brain tumors with a usually good prognosis despite an aggressive radiological appearance that typically occurs in infants below the age of 24 months. DIGs are exclusively supratentorial, generally have a voluminous size, and are partially cystic. Total surgical removal is sufficient for the ...
Villano J Lee - - 2009
We present a case of a 55-year-old male diagnosed with glioblastoma (GB) involving the left frontal, parietal, and temporal lobes that developed aggression and committed a violent act against his wife. Aggression and violence have rarely been presented in the neuro-oncology literature, but have been well documented in stroke and ...
Tsai Chia-Chun - - 2009
Classical renal angiomyolipoma (AML) is a common tumor that, in most cases, follows a benign course and has clearly defined radiologic and histological characteristics. However, rare cases of clinically aggressive or malignant AML, the epithelioid variant of AML (EAML), have been reported. Here, we review the five cases of EAML ...
McGill Julie F - - 2009
OBJECTIVE: To present a rare case of metastatic struma ovarii, review the related literature, and discuss the management. METHODS: A case report of a patient with metastatic struma ovarii is presented. The treatment plan, postoperative care, and follow-up are discussed. We conducted a MEDLINE search of the English-language literature seeking ...
Nasser Munir J - - 2009
INTRODUCTION: Transient cerebellar eye closure (TCES) is a rare complication of cerebellar tumor surgery in children. The pathogenesis of this problem remains unclear, and controversy exists regarding whether it is a purely psychogenic disorder or an organic syndrome. The anatomical substrate for this transient eye closure remains unknown. Most of ...
Zhou Zhi-Yi - - 2011
Interdigitating dendritic cell tumor/sarcoma is an extremely rare neoplasm that mainly occurs in the lymph node, with only 51 cases reported in the literature to date. The authors report the case of a 41-year-old woman who presented with a 4-month history of a gradually enlarging painless mobile lymphadenopathy in the ...
Hayashi Fumio - - 2009
There have been few reports on intramedullary ancient schwannoma. Schwann cells are generally present in the nerve root, not in the spinal cord. Thus, intramedullary schwannomas are rare, and in most cases there is cyst formation without calcification. To report a patient with intramedullary ancient schwannoma at the epiconus together ...
Cohen Marc - - 2009
The aim of this study was to describe clinicopathologic and radiographic features of two cases of schwannoma involving the oral tongue and to review the literature of this unusual clinical entity. Case reports with review of the pathologic, radiologic and clinical data for two patients with schwannoma of the tongue ...
Al-Qudah Abdullah S - - 2009
Periosteal chondromas (juxtacortical chondromas), are slow growing, rare cartilaginous lesion that arises adjacent to the cortex beneath the periosteum. They occur more in males in their 20s. We report a rare case of periosteal chondroma arising from the left clavicle of a 56 year old male. We could only find ...
Vorasubin Nopawan - - 2009
OBJECTIVES: To review the literature on glossopharyngeal schwannomas with a focus on clinical presentation, radiologic/audiologic characteristics, and management options, and to propose a mechanism explaining the nature of vestibulocochlear dysfunction seen with these tumors. STUDY DESIGN: Contemporary review. METHODS: English literature search for cases of primary isolated glossopharyngeal schwannomas and ...
Solar Antonieta A - - 2009
BACKGROUND: Hyalinizing clear cell carcinoma (HCCC) is an uncommon malignant salivary gland tumor that was characterized only recently as a distinct entity. Because of its histologic similarity to several other primary and metastatic tumors and its purported favorable clinical outcome after local resection, it is important to recognize the features ...
Kondi-Pafiti A - - 2009
Large ovarian tumors weighing more than 5,000 g are rarely reported in the recent literature because of the improvement in health care systems. Such tumors present many challenges in diagnosis and in surgical approach due to severe circulatory and cardiopulmonary complications. The case of a 27-year-old unmarried patient, who complained ...
Falleti Jessica - - 2009
BACKGROUND: Polymorphous hemangioendothelioma is a rare vascular tumor of borderline malignant potential and only 10 cases have been described in the literature so far. METHODS AND RESULTS: We report a case of nodal and extranodal polymorphous hemangioendothelioma and review the literature. A 66-year-old man with an unremarkable past medical history ...
Paganin Fabrice - - 2009
BACKGROUND: Solitary endobronchial papillomas (SEP) are rare tumors and most of them are described by case report. A misdiagnosis is common with viral related papillomas. A histopathological classification has recently permitted a major advancement in the understanding of the disease. CASE PRESENTATION: We report a case of a mixed bronchial ...
Zhou Sheng-Ang - - 2009
BACKGROUND: Primary angiosarcoma of the breast (PAB) is a rare occurrence of highly aggressive biological behavior. Bilateral PAB is even more infrequent. CASE REPORT: We present the case of a 39-year-old Chinese woman with metachronous bilateral PAB (2005 and 2008). The diagnosis of PAB was confirmed. The respective masses were ...
Menkü Ahmet - - 2009
A rare case of a solitary schwannoma arising within parenchyma of the brain is reported. A 37-year old right-handed man presented with a 3- month history of progressive headaches, lethargy and vomiting. The initial diagnosis being considered was primary intracranial tumor, including high-grade astrocytoma, metastasis or lymphoma Histopathological examination revealed ...
Durand Xavier - - 2009
A 57-year-old woman was found to have an inferior vena cava involvement of a known sinusal angiomyolipoma incompletely resected three years beforehand. Intravascular extension into the IVC of angiomyolipoma has rarely been reported. We present a new case and reconsider the literature about this uncommon complication of a benign renal ...
Fernández-Aceñero M Jesús - - 2009
CONCLUSION: In this report we review the diagnosis, therapy, and outcome of laryngeal non-epithelial tumors and comment on the literature on these rare lesions. OBJECTIVES: Non-epithelial tumors of the larynx are rather rare and most cases have been reported as isolated or short series of cases from different centers all ...
Moerman Mieke - - 2009
After osteosarcoma, chondrosarcoma is the second most common primary bone tumor accounting for 26% of all malignancies. In the laryngeal region however, chondrosarcomas are rather rare. Only 300 cases are reported in literature. Considering laryngeal chondrosarcoma, about 75% occur in the cricoid cartilage, whereas 20% occur in the thyroid cartilage. ...
Naniwadekar M R - - 2009
The case of an extragenital heterologous malignant mixed müllerian tumor (MMMT) of primary peritoneal origin occurring in a 76-year-old female is presented. A large tumor was seen between the uterus and rectosigmoid occupying the entire pelvis. The uterus, fallopian tubes and ovaries were uninvolved. The tumor was composed of carcinomatous ...
Takano M - - 2009
The most common neoplasms of the peritoneum are malignant mesothelioma and serous papillary adenocarcinoma. Clear cell carcinoma (CCC) is mostly derived from the ovary and often associated with endometriosis. We describe the clinicopathologic features of two cases diagnosed as CCC of the peritoneum origin. Case 1, a 53-year-old woman, presented ...
Matsuo Toshihiro - - 2009
Liposarcoma is categorized as a soft tissue sarcoma and most commonly appears in the lower extremities and rarely in the foot during adulthood. We present a very rare case report of a primary well-differentiated liposarcoma arising in the foot on a 60-year-old female. Marginal resection of the tumor with metatarsal ...
Bhutoria Bhawna - - 2009
Retiform hemangioendothelioma (RH) is a rare, recently described, unique kind of low grade angiosarcoma. The tumor is characterized by distinctive arborizing blood vessels that mimic the appearance of rete testis. The tumor chiefly originates from the skin and subcutaneous tissue and has a tendency to recur locally. Only one case ...
Naik Venkatesh R - - 2009
Choristoma is a benign tumor where new bone formation occurs. It occurs exclusively in the flat bones of the skull and face. These are slow growing lesions that are usually completely asymptomatic and only present when there is a disruption in the function of the organ due to its large ...
Ebmeyer Jörg - - 2009
ABSTRACT: OBJECTIVES: Neurogenic tumors of the larynx are extremely rare. The goal of this report is to advert to this rare disease, to review and discuss diagnostics, differential diagnoses and treatment options. Study Design: Retrospective case report and review of the literature. Methods: Case report of a schwannoma of the ...
Lee Chee Khoon - - 2009
A number of non-malignant diseases that share similar morphological features as gastrointestinal stromal tumor (GIST) have been reported. Co-existence of GIST with these other diseases is rarely recognized or reported. We report a case of a 62 year-old man with long-term stable control of metastatic GIST with systemic therapy, presented ...
Trout Andrew T - - 2009
Hemangiopericytoma is an aggressive, highly metastatic tumor of the soft tissues and meninges. Metastases have been reported in the liver, lungs, bones and rarely other organs. To the best of our knowledge, 18 cases of pancreatic metastases have been reported, but none have been described in the radiology literature. We ...
Yang David Tran - - 2009
Primary intracranial germinomas are rare tumors, accounting for approximately 1-4% of all intracranial tumors. Intracranial germinomas are more commonly found in the suprasellar and pineal midline structures of the brain. Brainstem and posterior fossa germinomas are rarer still, with few reported cases in the literature, and little discussion of their ...
Cavallini Alvise - - 2009
BACKGROUND: Pancreatoblastoma is a very uncommon neoplasm in adults and its management represents a great challenge with regards to different treatment options. Given the rarity of the disease, the aim of this study was to review our personal experience with adult pancreatoblastoma as well as the cases reported in the ...
Hao Shuyu - - 2009
INTRODUCTION: Germinoma of basal ganglia in female is very rare. The authors present a case of germinoma located in the right temporal lobe and basal ganglia in female and raise a hypothesis for the sex disparity. MATERIALS AND METHODS: A 13-year-old Chinese girl complained of weakness in the left extremities ...
Boongird Atthaporn - - 2009
A case of malignant craniopharyngioma in a 46-year-old woman presenting clinically with visual disturbance and bifrontal headache is reported. Histopathologic examination of the suprasellar mass showed a lesion characterized by nests of epithelial cells with a basaloid appearance, round-to-oval nuclei, moderate pleomorphism, hyperchromasia, increased nuclear cytoplastic ratio and high mitotic ...
Cudnik Raymond - - 2008
Lipoblastoma is a rare childhood tumor composed of embryonic fat. It is benign and most often presents in children younger than 3 years. These tumors primarily present as a rapidly enlarging mass in the extremities or trunk with abdominal lipoblastomas comprising less than 10% of all reported cases. Abdominal lipoblastomas ...
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