Search Results
Results 201 - 250 of 642
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Takahama A A - - 2006
Low-grade myofibroblastic sarcoma was recently described as representing malignant mesenchymal tumours that show myofibroblastic differentiation; few cases have been reported. Here, a low-grade myofibroblastic sarcoma of the parapharyngeal space is described. A 42-year-old man presented with swelling on the right side of the temporal bone. Based on histological and immunohistochemical ...
Katsuura Y - - 2006
There is a marked paucity of reports on malignant fibrous histiocytoma (MFH) of the spleen in the literature, and there are no previous reports of its color Doppler sonographic (US) and contrast-enhanced US findings. We report on an 82-year-old male with splenic MFH (inflammatory subtype), with an emphasis on color ...
Nagoshi N - - 2006
Epithelioid sarcoma is a rare malignant tumor that occurs mainly in young adults and most frequently involves the distal portion of the upper extremities. The tumor is particularly rare in children and more frequently involves the head and neck; only one case involving the forearm has been reported in a ...
Reynolds E A - - 2006
BACKGROUND: Embryonal rhabdomyosarcoma is a rare sarcoma which characteristically occurs in non genitourinary sites in children. CASE: We present a case of uterine embryonal rhabdomyosarcoma in a postmenopausal patient who presented with increasing abdominal girth, early satiety, weight loss, and pelvic pain. CONCLUSION: Embryonal rhabdomyosarcoma does not commonly originate from ...
Bastide Cyrille - - 2006
Primary malignant melanoma of the adrenal gland is an established entity. Fewer than 20 cases have been reported in the published literature. Because of the high frequency of adrenal gland metastases from malignant melanoma and pigmented pheochromocytoma, several rigid diagnostic criteria have been established for accepting an adrenal melanoma as ...
Sakurai Hiroyuki - - 2006
Synovial sarcoma, which is a soft tissue malignancy, primarily affects the extremities in the para-articular regions in adolescents and young adults. Synovial sarcoma of the pleural cavity is extremely uncommon, and there have been only a few reports in the literature. We report here an unusual case of left-sided spontaneous ...
Shehan James M - - 2006
BACKGROUND: Despite common endothelial origins, angiosarcoma and Kaposi's sarcoma are clinically and histologically distinct vascular proliferations. The development of angiosarcoma in a chronically edematous abdominal pannus is extremely uncommon. Similarly, tumors with the combined histologic features of angiosarcoma and Kaposi's sarcoma have rarely been described. METHODS: We reviewed the literature ...
Berretta M - - 2006
Angiosarcomas are rare soft tissue malignancies. Typically they originate from the skin of the scalp or face, whereas visceral sarcomas are very rare. We report the case of a 67-year-old man affected by a large angiosarcoma of the kidney. After surgical removal, a rapid peritoneal, visceral and cutaneous diffusion developed. ...
Teo Wan-Yee - - 2006
INTRODUCTION: The development of secondary tumours as a result of radiation therapy is a rare but serious complication. CLINICAL PICTURE: This is a case report of a 45-year-old Chinese male who developed postirradiation sarcoma of the sphenoid bone in less than 5 years after radiation therapy for Stage T3N1M0 nasopharyngeal ...
Winstanley Alison M - - 2006
Malignant mesotheliomas of the testis arise from the tunica vaginalis, formed from the evagination of the abdominal peritoneum into the scrotum. The immunohistochemical profile of the tunica vaginalis and associated neoplasms is often extrapolated from thoracic studies. Testicular series are uncommon, usually derived from previous case studies and literature reviews. ...
Carnero S - - 2006
We report a case of concomitant malignant fibrous histiocytoma (MFH) and tophaceous deposit at the second metacarpophalangeal joint in a 76-year-old man. The patient underwent surgical treatment, local radiotherapy and adjuvant chemotherapy and was disease free at the time of his last examination. We use this case to highlight the ...
Vandewoude M - - 2006
Primary malignant melanoma of the oesophagus is a rare disease, only 262 cases being reported up to June 2005. In general, the prognosis is dismal because of its tendency to present as an advanced neoplasm with aggressive biological behaviour. (18)FDG-PET-scan is a useful tool for evaluation of metastatic disease and ...
Qureshi N A - - 2006
Primary intra-abdominal malignant mesenchymal tumours are very rare and there are not many cases of visceral malignant fibrous histiocytoma in the English literature. We report a new case of abdominal malignant fibrous histiocytoma presenting as abdominal pain and pyrexia of unknown origin in a 54 year old female followed by ...
Fadare Oluwole - - 2006
Sarcomas constitute less than 1% of all cervical malignancies. With over 150 reported cases, rhabdomyosarcomas represent the most commonly reported sarcoma at this location. In this report, a select group of the more uncommon sarcomas of the uterine cervix are reviewed, including all previously reported examples of leiomyosarcoma, liposarcoma, alveolar ...
Barringer C B - - 2006
We present a case of multiple primary malignant melanomata occurring over a six year period in a 63-year-old Caucasian man with neurofibromatosis type 1. There is doubt regarding a definite association between these two diseases despite a number of case reports and clear, potential pathological mechanisms. This case not only ...
Smith M E F - - 2005
AIMS: To investigate the differentiation pattern of epithelioid sarcoma in terms of perineurial and endothelial differentiation, and its relationship to that of meningioma. METHODS AND RESULTS: Nine cases of epithelioid sarcoma and five cases of meningioma were studied in an immunohistochemical analysis of 'perineurial' antigens [GLUT-1, claudin-1, epithelial membrane antigen ...
Awasthi R - - 2006
We present two cases of solitary fibrous tumour (SFT) showing biphasic morphology with a spectrum of malignant epithelioid components. Slides prepared from formalin-fixed and paraffin-embedded tissue from both cases were stained with haematoxylin and eosin and by immunohistochemistry. Interphase fluorescent in situ hybridisation studies were performed in both cases using ...
Chelly I - - 2005
Granulocytic sarcoma is a form of extramedullary leukaemia. The intraparenchymal localisation is extremely rare. We report a case of cerebellar granulocytic sarcoma occuring in a 43 years old woman without any precedent medical history. The diagnosis of granulocytic sarcoma was established by neoplastic cells findings through morphological and immunohistochemical studies. ...
Stadsvold Jaime L - - 2005
BACKGROUND: Sarcomas comprise less than 1% of all gynecological cancers and 2% to 5% of all uterine malignancies, of which endometrial stromal sarcoma accounts for approximately 15%. Surgery is fundamental in sarcoma management and a total hysterectomy is performed in the majority of cases. CASE: Presented is a case of ...
Almansori M - - 2005
Alveolar soft-part sarcoma (ASPS) is a rare soft tissue tumour found in young adults that usually arises in skeletal muscle and occurs most frequently in the lower limbs. Radiological and pathological findings of ASPS in a 34-year-old man who presented with increasing shortness of breath over a period of four ...
Tokyol Cigdem - - 2005
Seven cases of an unusual low-grade vascular tumor were reported in a recent study. Despite its similarity to epithelioid sarcoma, this tumor was termed epithelioid sarcoma-like hemangioendothelioma because of the subtle histopathological and immunohistochemical differences. Another case of this rare entity in a 70-year-old woman who suffered from a painful ...
Tomas Xavier - - 2005
Metastases to the hand and wrist are rare, with fewer than 200 cases reported in the literature. Phalanges are more commonly involved than metacarpal and wrist. The lung, breast and kidneys are the more common sites of primary lesions than metastasize in the hand. We present an exceptional case of ...
Kalayci Murat, Sümer Murat, ...
The case of a previously healthy 24-year-old man diagnosed with extradural thoracic granulocytic sarcoma with no evidence of bone marrow or other hematological involvement is described. The tumor was removed totally by microsurgery. The histopathological examination was consistent with granulocytic sarcoma. Granulocytic sarcomas are most commonly found in the context ...
Lin Doris - - 2005
BACKGROUND: Desmoplastic neurotropic melanoma (DNM) and neurotropic melanoma (NM), rare lesions of the head and neck, often present as a benign-appearing nodule which later progresses to cranial nerve involvement. OBJECTIVE: To discuss treatment and outcome of 3 cases of DNM/NM of the lower lip. METHODS: Three case reports with 12- ...
Fangman William L - - 2005
BACKGROUND: Radiation therapy is an acceptable treatment choice for many cutaneous malignancies. A potential late sequela of ionizing radiation is the development of secondary neoplasms within the treatment field. Although there are well-known cutaneous syndromes in which the use of ionizing radiation is contraindicated, in other clinical situations, physicians may ...
Leman J A - - 2005
BACKGROUND: Prepubertal malignant melanoma is rare, pathological criteria are difficult and follow-up data on patients are lacking in the literature. OBJECTIVES: To review prepubertal cases of melanoma diagnosed in the West of Scotland 1979-2002. METHODS: Twenty cases were identified in whom melanoma was diagnosed before the age of 15. Pathological ...
Ferri E - - 2005
Chloroma, also called Granulocytic Sarcoma or Myeloid Sarcoma, is a rare malignant extra-medullary neoplasm of myeloid precursor cells. It is usually associated with myelo-proliferative disorders but its appearance may precede the onset of leukaemia. Chloroma may be found in several extracranial sites. Involvement of the head and neck region is ...
Kalayci Murat - - 2005
The case of a previously healthy 24-year-old man diagnosed with extradural thoracic granulocytic sarcoma with no evidence of bone marrow or other hematological involvement is described. The tumor was removed totally by microsurgery. The histopathological examination was consistent with granulocytic sarcoma. Granulocytic sarcomas are most commonly found in the context ...
Aymoré Ierecê Lins - - 2005
Ewing's sarcoma is a round-cell tumor that arises most often in a medullary cavity. This neoplasm is uncommon in a subperiosteal location. We report a new case of a 12-year-old boy with a periosteal Ewing's sarcoma, located in the femur, who was treated by cortical segmental resection associated with chemotherapy. ...
Nickel J - - 2005
There are only a few cases of primary ovarian melanoma described in the literature. Here, we report a rare case of ovarian mixed neoplasm with parts of malignant melanoma and fibrothecoma in a 76-year-old female who was hospitalized for a cataract operation. To our knowledge, cases of a combination of ...
Anand Akash - - 2005
Mucosal melanoma is a rare form of cancer that results from an abnormal proliferation of melanocytes within mucosal surfaces of the body. Due to the limited number of cases in the general public and even fewer cases in the reported literature, it is difficult to conduct research on this cancer. ...
Gleizal Arnaud - - 2005
Malignant melanoma of the lacrimal sac is rare, and only 21 cases have been reported in the world literature. They have an insidious onset and may look like chronic dacryocystitis. In only 6 of these cases were there no recurrences. In most of the survivors, the diagnosis was made early ...
Colby Kathryn A - - 2005
PURPOSE: To report a case of conjunctival melanoma arising from diffuse primary acquired melanosis (PAM) with atypia in a young black woman in the context of previously published cases of this lesion in blacks. METHODS: Retrospective case report with literature review. The number and percentage of conjunctival melanomas occurring in ...
Herzog Cynthia E - - 2005
Based on the data of the Surveillance, Epidemiology and End Results Section of the National Cancer Institute (SEER) program, soft tissue and bone sarcomas account for about 1% of all new malignancies diagnosed in the United States each year. However, there are numerous different histologic types, and any given type ...
Spinou Catherine - - 2005
Unilateral tonsillar enlargement (UTE) may indicate malignancy. The purpose of this study was to evaluate the necessity of tonsillectomy for histological examination as a routine practice for every such case. We attempted to identify every adult who had tonsillectomy in our unit from January 1991 to January 2000 in whom ...
Buiga-Potcoavă Rares - - 2005
The authors report a case of intra-abdominal synovial sarcoma in a 41-year-old female. The tumor, which had an unusual location, the ascending mesocolon, had a mono-phasic spindle cell pattern. Immunohistochemical positivity for the epithelial membrane antigen (EMA) and cytokeratin AE1/AE3 differentiated the lesion from other spindle cell sarcomas with similar ...
Gunia S - - 2005
Mycobacterial spindle cell pseudotumor (MSP) is a rare benign lesion characterised by local proliferation of spindle--shaped histiocytes containing acid--fast atypical mycobacteria, clinically resembling Kaposi's sarcoma. Most cases of MSP reported so far affected immunodeficient patients or patients receiving immunosuppressive medication. We report a case of MSP affecting the nasal septum ...
Rosen Nathan - - 2005
BACKGROUND: Classic Kaposi's sarcoma (KS) is predominantly a disease of eastern Mediterranean and Ashkenazi Jewish elderly men. Nevertheless, the disease has been reported to occur in people from various other ethnic and regional backgrounds. OBJECTIVE: We report, for the first time, the occurrence of classic KS in five Inuit people ...
Inoue Katsuki - - 2005
Liposarcomas are one of the most common soft tissue sarcomas of adulthood. Liposarcomas are remarkable because of their frequently large size. We report a case with an extremely large dedifferentiated liposarcoma that weighed 18 kg. Although it was capsulated and could be excised en bloc, the patient suffered a relapse ...
Siddiqui Momin T - - 2005
Fine-needle aspiration (FNA) of pancreatic lesions is a common procedure to establish a tissue diagnosis before chemotherapy or surgery. In this study, the authors attempt to compare the diagnostic value of the ThinPrep (TP) method with conventional smears (CSs) in samples obtained by endoscopic retrograde cholangiopancreatography (ERCP)-guided pancreatic FNAs. Material ...
Khalil Maged F - - 2005
Angiosarcomas represent 1-2% of soft tissue sarcomas and most frequently occur in the subcutis. They may affect internal organs, such as the heart, liver, and spleen, and only rarely do they emerge in the gastrointestinal tract. The association between angiosarcomas and certain toxic chemical substances or previous external-beam radiation therapy ...
Krüger Stefan - - 2005
Although small bowel involvement by malignant melanoma is most frequently metastatic, a primary origin at this site has been reported in rare cases. The biological and clinical features of these cases have not yet been summarized. Here, another case of small bowel melanoma is described, and a review of the ...
Lagerveld B W - - 2005
This case report describes a unilateral testicular granulocytic sarcoma or chloroma. Because of the relatively immature nature of the tumor cells, the histological diagnosis can be difficult. Granulocytic sarcomas are well known in patients with systemic leukemia and can sometimes precede a systemic leukemic outcome. A solitary granulocytic sarcoma not ...
Howard Bruce - - 2005
Because of indolent course without mortality, the term "pigmented epithelioid melanocytoma" has been suggested as a replacement for "equine" or "animal-type" melanoma and for the epithelioid blue nevus of the Carney type, from which they are histologically indistinguishable. This report reviews this concept and recounts in detail two of eighteen ...
Ng S-H - - 2004
Extraskeletal Ewing's sarcoma (EES) is rarely found in the head and neck region. We report here a case of EES of the parapharyngeal space in a 53-year-old man who presented with blurred vision, dysphagia, hoarseness and right facial numbness. CT examination showed a large, seemingly well-defined soft tissue mass in ...
Pohar Surjeet - - 2004
Glioblastoma multiforme is a highly malignant glioma with a well-known tendency for intracranial spread but rarely for extracranial spread. We report a case of an adult woman who presented with symptoms of leptomeningeal metastasis from an intracranial glioblastoma multiforme located adjacent to the lateral ventricle. There have been very few ...
Rakheja Dinesh - - 2005
We report a case of an epithelioid sarcoma that occurred in the right hand of a 14-year-old boy and had the "proximal-type" morphology and a complex, near-tetraploid karyotype. The tumor metastasized to the lungs, where the morphology was typical for the classic epithelioid sarcoma. Based on the morphologic and cytogenetic ...
Mah Eldon - - 2004
Malignant mesothelioma is an uncommon tumour with an inevitably poor outcome. Statistics from the US National Cancer Institute reveal a steady rise in its incidence over the past 25 years. It typically arises from the pleura, but can also originate in the peritoneum, pericardium, genital tracts and tunica vaginalis. Previously ...
Suzer Tuncer - - 2004
Granulocytic sarcoma is a solid mass composed of premature precursors of granulocytic series cells in an extramedullary region. Intraparenchymal central nervous system localization without skull or meningeal invasion is extremely rare. Although different theories have been proposed to explain the mechanism of this unusual disorder, its exact mechanism is still ...
Mahto Mrinalini - - 2004
There are two opposing schools of thought regarding the management of pigmented penile macules. Allan and Spitz, as well as Pack and Davis, are of the opinion that almost all pigmented naevi present on the palms, soles and genitalia are junctional naevi and have a higher incidence of malignant change ...
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