Search Results
Results 451 - 500 of 841
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Jamjoom A B - - 1998
Dissemination of a pilocytic cerebellar astrocytoma is a very rare occurrence. So far only eight cases have been reported in the literature and in only one of these cases had the tumour spread into the ventricles. We report a case of a child who presented with communicating hydrocephalus and a ...
Kaczynski J - - 1998
AIMS: To determine the clinical and histopathological features of a case of a spontaneous regression of hepatocellular carcinoma (HCC). CASE DETAILS: HCC was found incidentally in a 73-year-old man during a laparotomy for evaluation of gastric retention. Despite no treatment being given, he improved gradually with no sign of tumour ...
Sabetti L - - 1998
In ocular retinal pathology, several aetiological entities showing various clinical and ophthalmoscopic pictures can simulate a tumour. The contribution of echography to the diagnostic research in ophthalmology is really important and the good knowledge of the difficulties and echographic limits is essential. We specifically report a tubercular granuloma clinically and ...
Spinnato S - - 1998
A case of dumbbell-shaped hypoglossal neurinoma with intra- and extracranial extension is reported. The tumour was surgically completely removed in a one-stage operation via a dorsolateral sub-occipital transcondylar approach. Clinical presentation and the role of high-resolution CT-scan, MRI and angio-MRI in diagnosis and surgical planning are discussed. We include a ...
Csata S - - 1998
Authors review the case history of three patients with kidney tumours which had been surgically removed. In two of the cases radical nephrectomy while in one, organ-preserving surgery was performed. In all the cases histology revealed benign kidney tumours--oncocytomas. In light of the available literature authors indicate that preoperative diagnosis ...
Hu B - - 1998
A cutaneous meningioma of the external auditory canal occurred in a 48-year-old Filipino woman who had undergone subtotal resection of a dural-based intracranial meningioma at the ipsilateral cerebellopontine angle 36 months previously. Radiologic findings demonstrated a recurrence of intracranial meningioma with surface erosion and heterogeneous densities of the mastoid bone, ...
Pinto P X - - 1997
A case of cervical lymph node metastases of polymorphous low grade adenocarcinoma is reported, originating from a minor salivary gland in the soft palate in a 76-year-old man, 19 years after initial presentation. The clinical course, histopathology, and literature review on the metastatic aspect of the tumour are presented. This ...
Favia G F - - 1997
Ameloblastic fibro-odontoma is a rare odontogenic tumour. It affects young people and is usually located in the posterior jaws. Two cases of this tumour are presented: both lesions had produced an asymptomatic swelling. The histology showed the presence of an odontogenic epithelium immersed in a fibrous mesenchyme; dental hard tissues ...
Dayi E - - 1997
An adenomatoid tumour was found in the anterior maxillary region of a 15 year old female patient. Two impacted teeth were found in the tumour. The lateral incisor found in the tumour was dilacerated, and the roots of the first premolar were resorbed. A review of the English literature indicated ...
Gangopadhyay K - - 1997
Inflammatory myofibroblastic tumours are aetiologically enigmatic, nosologically confusing and biologically unpredictable lesions. The lungs are the organs of apparent predilection. These tumours have also been documented in a number of extrapulmonary sites including the head and neck. So far only two cases of inflammatory myofibroblastic tumour of the tonsil have ...
Bhargava D - - 1997
Chondroid syringoma or mixed tumour of the skin is a rare benign tumour which can present on the face. We present here the case of a patient who underwent an excisional biopsy of a small painless nodule in the soft triangle of the nose for cosmetic reasons. The clinical presentation, ...
Good C D - - 1997
The "dural tail" sign on gadolinium (Gd-DTPA)-enhanced MRI has been described in association with meningiomas. Various series with histopathological correlation have shown that in some cases there is tumour invasion into the dura mater, but in the majority of cases it represents a hypervascular, non-neoplastic reaction. While this sign was ...
Harar R P - - 1997
We present the first case report in the English literature of an intramuscular haemangioma of the geniohyoid muscle. This occurred in a 24-year-old female and the diagnosis was not made prior to resection. Haemangiomas are uncommon tumours of the head and neck and intramuscular haemangiomas account for fewer than one ...
Castilla-Guerra L - - 1997
AIMS: Amplification of c-erbB-2 proto-oncogene has been reported in endocrine tumours, but the results were unclear and no predictive prognostic value has been established in the case of phaeochromocytoma. We investigated the immunohistochemical expression of c-erbB-2 oncogene in 34 cases of human phaeochromocytoma (27 sporadic, seven familial type MEN (multiple ...
Broich G - - 1997
Esthesioneuroblastoma (ENB) arises from the neuroepithelium in the olfactory rim of the nasal cavity. It accounts for about 3% of all intranasal tumours. Reviews since the first description by Berger and Luc in 1924 never reported more than a hundred cases, stressing the rarity of the tumour. However, a thorough ...
Singh V P - - 1997
Wilms' tumour, an embryonic neoplasm, the most common renal tumour in childhood, had occasionally been reported in adults. Authors report two such cases and have reviewed the relevant literature. While Wilm's tumour in children classically demonstrates the curative potential of combined modality treatment, no such clear guide lines are available ...
Comin C E - - 1997
The authors present a case of oncocytoma of the nasal cavity in a 60-year-old woman. The tumour shows the same histological and ultrastructural characteristics of oncocytomas arising in minor salivary glands of other sites and major salivary glands. The authors stress that the biological behaviour of oncocytomas of the nasal ...
Kaleem Z - - 1997
Extracranial meningiomas are rare outside the head and neck region. We report a case of primary pulmonary meningioma, initially detected as a radiographic incidental finding, occurring in an asymptomatic 45-year-old woman. Light microscopic examination of both cytologic and histologic preparations was typical of a classical meningioma and included such features ...
Jones N R - - 1997
Only three previous cases have been reported in which trauma has precipitated haemorrhage from a meningioma. This case is unique due to its occurrence after a minor motor vehicle accident. Our patient presented with transient weakness and sensory loss of the right lower leg following a motor vehicle accident and ...
Chilosi M - - 1997
This study evaluated the immunoreactivity for bcl-2, a molecule involved in the control of programmed cell death, in cases of pleural (14) and extrapleural (2) solitary fibrous tumour (SFT), malignant mesotheliomas of different histological types, and a variety of extrapleural CD34-positive and CD34-negative spindle-cell tumours. In all SFTs, strong and ...
Redfern D R - - 1997
Enchondroma is a common benign cartilaginous tumour which arises from the medullary cavity, most commonly in the phalanges of the hands and feet. Enchondroma involving the carpal bones, however, is rare; only three cases of scaphoid enchondromata and one patient with multiple carpal enchondromata have been reported in the English ...
el-Sharkawi S - - 1997
Angiosarcoma of the head and neck is a rare tumour of vascular origin that affects the elderly. A 74-year-old man who presented with bruise-like macules of the scalp and face is reported. He was treated for a few months with different antibiotics and anti-allergic medication by his own family doctor, ...
Christie D R - - 1997
Five cases diagnosed as extraosseous Ewing's sarcoma (EES) during a 15-year period, and the relevant literature, were reviewed. The diagnosis in these cases was difficult to confirm, mainly because the distinction between the osseous form of Ewing's sarcoma (OES) and either periosteal reactions or direct tumour invasion into adjacent bone ...
Loke T K - - 1997
We report a case of a bilateral Krukenberg tumour of the ovaries arising from a primary adenocarcinoma of the duodenojejunal flexure. Adenocarcinoma of the small bowel is uncommon, representing 1% of all primary malignant tumours of the gastrointestinal tract [1]. Krukenberg tumours arising from a primary duodenojejunal adenocarcinoma are even ...
Bergmann M - - 1997
Three cases of primary rhabdoid tumour of the CNS (RT-CNS) are presented. In case 1 a hemispheric tumour developed in a 10.5 months old girl, who survived for 6 months after incomplete resection, radio- and polychemotherapy. Case 2 was a 4 years and 8 months old boy with a large ...
U─čras S - - 1997
Ureteral fibroepithelial polyps are rare benign tumours. Sometimes an ureteric calculus may be seen, proximal to the polyp. We describe a case of fibroepithelial polyp (FEP) associated with a calculus in the distal part of the right ureter. To our knowledge this is the first ureteral FEP reported in the ...
Maurer C A - - 1997
The classical carcinoid tumour (WHO) of the pancreas is extremely rare and its diagnosis may puzzle physicians and pathologists. A case of such an impressive tumour is reported with reference to the few available data from the literature. Literature research was done using MedLine from 1996 going back to 1966. ...
Junquera L M - - 1997
Central epithelial odontogenic ghost cell tumour, a neoplastic variant of calcifying odontogenic cyst, is a rare lesion with a very few cases published in the English literature. Histologically, the tumour consists of clusters of infiltrating odontogenic epithelium and ghost cells in varying numbers. We describe the first case of central ...
Bhayani R - - 1996
We report a large right occipital falcine meningioma, the main presenting feature of which was ipsilateral hemifacial spasm. The patient was relieved of the hemifacial spasm after the supratentorial tumour was resected. The pathogenesis of hemifacial spasm is reviewed in light of this unusual case and the treatment of hemifacial ...
Mangwana S - - 1996
Haemangiopericytoma of nose and paranasal sinuses is relatively uncommon tumour. It occurs in adults in sixth and seventh decades of life. In view of paucity of intranasal haemangiopericytoma old in Indian literature and young age of patient, we are reporting one case in 28-year-old female who presented with recurrent, profuse ...
Smith N C - - 1996
BACKGROUND: Bizarre parosteal osteochondromatous proliferation (BPOP) is a rare tumour-like condition mostly affecting the tubular bones of the hands and feet. Although it recurs in 50% of cases after local excision, it is a form of heterotopic ossification and its behaviour is otherwise benign. The present study describes seven cases ...
Chung Y G - - 1996
Hypothermia and cardiopulmonary bypass has rarely been used for difficult lesions of the brain such as giant aneurysms and hemangioblastoma of the brainstem. We report a case of huge recurrent angioblastic meningioma operated under the profound hypothermia and cardiopulmonary bypass. We reviewed the complications related to hypothermia and cardiopulmonary bypass ...
Hande A M - - 1996
Haemangioblastomas are benign tumours of uncertain origin. They are composed of capillaries and/or cavernous spaces interspersed with interstitial cells. Malignant spread, distant metastases and subarachnoid seeding are very rare, and only two such cases have been reported in the English literature. We report a third such case in a 4-year-old ...
Conte M - - 1996
Inflammatory fibrosarcoma is a rare condition in childhood. In the abdominal location, its behaviour is often aggressive and potentially metastasizing. We report a case of a 3-year-old female with abdominal inflammatory fibrosarcoma who relapsed after 1 month from radical surgery. Chemotherapy was ineffective, and we registered a brief stabilisation of ...
Germanò A - - 1996
The evidence of an intracranial hemorrhage from a meningioma, in comparison with bleeding from different intracranial tumours, is very infrequent. The pathophysiological mechanisms that can explain the possibility of bleeding from meningiomas have not been yet completely clarified. We report a case of a left parasagittal meningotheliomatous meningioma, situated in ...
Kempermann G - - 1996
A case of bilateral endolymphatic sac tumours is reported. In a patient with von Hippel-Lindau syndrome, tumour growth in the right cerebellopontine angle caused deafness. The tumour was removed and classified as a metastasis from a thyroid carcinoma. However, on thyroidectomy no primary neoplasm could be found. Eight years later ...
Naim-Ur-Rahman - - 1996
An unusual case of congenital hydrocephalus and visual loss due to developmental tumour of optic pathways is described. Diffuse, uniform and symmetrical replacement and enlargement of optic nerves, chiasma and optic tracts resulted in remarkable computerized tomographic (CT) scan images not yet described in the literature. Embryo-pathogenesis of this anatomical ...
Taguchi J - - 1996
We clinicopathologically studied 23 surgically resected cases of combined hepatocellular and cholangiocarcinoma (HCC-CC). The frequency of this cancer in our subjects, who had primary liver cancer and who underwent hepatectomy, was 6.3%. The mean age of patients was 64.0 years old and the male: female ratio was 1.9:1. Serum alpha-fetoprotein ...
Suwa T - - 1996
Lymphangioma of the oesophagus is an extremely rare entity, with only nine cases having been reported worldwide. We report on a 52-year-old woman with oesophageal lymphangioma, diagnosed using endoscopic ultrasonography and endoscopically resected. No case of malignant transformation of the lymphangioma has been reported in the literature. Endoscopic resection seems ...
Tatlis A - - 1996
Intramuscular haemangiomas of thoracic skeletal muscle are uncommon tumours. They are locally invasive and tend to recur if not completely and widely excised. This report illustrates the diagnosis and management of a 25-year-old man with an intramuscular haemangioma of the chest wall. A literature report on the aetiology and management ...
Sharma H S - - 1996
Osteosarcoma is the most common primary malignant tumour of bone and it usually metastasises to the lung. In the nasal cavity metastatic disease is extremely rare. We describe a case of osteosarcoma presenting with recurrent epistaxis, and proptosis due to secondaries in the nasal cavity. To our knowledge such a ...
Friedman R A - - 1996
Approximately 10% of all intracranial meningiomas occur in the cerebellopontine angle (CPA). Although their clinical presentation depends on their site of origin, most are first seen with nonspecific otologic symptoms like those of acoustic neuroma. We present two cases of CPA meningioma that were intimately involved with the endolymphatic sac ...
Madawi A A - - 1996
A pineal region meningioma without dural attachment is rare. We present a case and review 12 cases reported in the literature. The preoperative diagnosis is difficult, but a vertebral angiogram if correlated to the MRI and clinical picture may give a clue. The infratentorial supracerebellar approach is suitable for this ...
Rayappa C S - - 1996
Solitary fibrous tumour was first described as a pleural tumour. It has been reported in a number of extrapleural sites including the head and neck. We present the first case of solitary fibrous tumour of the infratemporal fossa described in the English literature. Complete excision was achieved using the orbitozygomatic ...
Ozünlü A - - 1996
Laryngeal paraganglioma originates in the neural crest cells in the laryngeal paraganglia. Two distinct types may be cited on the basis of clinical features, but biopsy is essential for diagnosis. By light microscopy, the Zellballen pattern appears pathognomonic. The treatment consists of surgical excision. In this article, due to the ...
Hamilton L L Steve Atanas Stavro Polyposis Registry, Mount Sinai Hospital, Toronto, - - 1996
To determine the efficacy of chemotherapy for inoperable desmoid tumours associated with familial adenomatous polyposis. A review of three cases of unresectable desmoid tumours and of the literature on the subject. The Steven Atanas Stavro Polyposis Registry at Mount Sinai Hospital in Toronto. Three patients with symptomatic, unresectable desmoid tumours ...
Ng P - - 1996
Intraventricular neurocytoma is a rare cerebral tumour which is usually associated with a good prognosis. It has imaging features which help differentiate it from other cerebral tumours. We report three cases including the first to originate from the pineal gland. The report emphasizes the radiological appearance and reviews the literature.
Stringfellow H F - - 1996
The nasal and the paranasal sinuses are a rare site for solitary fibrous tumours. There have been no previously reported cases in the English literature, with eight cases in the world literature (Witkin and Rosai, 1991; Zuckerberg et al., 1991). We present a case of a solitary fibrous tumour arising ...
Marinho A - - 1996
One case of esophageal granular cell tumour (GCT) associated with diffuse leiomyomatosis of the distal esophagus is presented. The rarity of each of the lesions per se raises the possibility that the association between GCT and diffuse leiomyomatosis, a previously unreported finding, is not coincidental. In view of the present ...
Koc C - - 1996
Laryngeal neurofibroma (LNF) is an unusual tumour and only approximately two dozen cases have been reported previously. Isolated LNF not associated with von Recklinghausen's disease is even more unusual. According to a review of the available literature, the case presented is the first bilateral one and the first originating from ...
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