نتایج جستجو برای: brain neoplasm
تعداد نتایج: 644065 فیلتر نتایج به سال:
In the recent years classification and compression plays a vital role in digital communication and their mishmash is handy for pull out explicit data and compress the classified data. In this paper we proposed a technique for mishmash of classification and compression in MRI brain images. Here we progress a computerized tumor recognition system for MRI brain images trailed by lossless compressi...
Pleomorphic xanthoastrocytoma (PXA) is rare primary neoplasm of brain. Despite its pleomorphic appearance, it has a relatively good prognosis. We report a case of biopsy proven pleomorphic xanthoastrocytoma in a young male who presented with visual and sensory symptoms, classical neuroimaging findings and showed remarkable recovery, post surgery. We have also reviewed recent literature focusing...
Abstract A newly described entity called “calcified chondroid mesenchymal neoplasms” includes neoplasms with variable amounts of calcification and FN1 fusions [Liu et al, Mod Pathol 2021]. We report a case left temporal bone giant cell granuloma-like lesion that also shows an FN1-TEK fusion. Close monitoring MRI images after surgery has showed no recurrence. Case report: 33-year-old male develo...
Tumefactive multiple sclerosis with the presence of tumefactive demyelinating lesions (TDL) is an infrequent manifestation sclerosis. It poses a diagnostic challenge, especially in attempts to differentiate it from central nervous system neoplasm or other disorders, such as neuromyelitis optica spectrum disorder (NMOSD). The article reports case 40-year-old female during chronic steroid therapy...
There are few studies of eyelid's neoplasm in Asia which in comparison of references are some differences.Materials and Methods: For this reason the retrospective study in 1103 patients which are referred to Farabi Hospital in 10 years period of 1988-1998 was performed. Epidemiological and histopathologic details were sough.Results: 44 percent of the neoplasm were benign and 56 percent were mal...
Brain abscesses and brain tumors may have similar clinical presentations. For example, only 50% brain abscess patients have fever, which could be masked by corticosteroid therapy. Also, the differential diagnosis of brain abscesses versus cystic or necrotic tumors may be difficult based on computed tomography (CT) or magnetic resonance (MR) imaging findings. However, the strategies of managemen...
Finland was the first country in which brain death was legally accepted. Since 1975, 37 cases of brain death had been recorded in a university hospital in Finland, and these were reviewed. The cause for brain death was intracranial bleeding in 32 cases, other cerebrovascular disorder in two, and intracranial neoplasm in three. In 21 brain death was diagnosed clinically. In 16 cases confirmatory...
adenoid cystic carcinoma (adcc) is a malignant neoplasm, which accounts for 5-10% of all salivary gland tumors (1). about 50% of these tumors originate from intraoral minor salivary glands usually in the hard palate (1). three clinically obvious characteristics of adcc include slow growth rate, perineural invasion and high incidence of distant metastasis (1). the most commonly-affected sites of...
primitive neuroectodermal tumor (pnet) is usually an aggressive, rapidly progressing and metastasizing tumor. occurrence of this type of tumor in the kidney is considered as unusual and few cases have been reported so far. we present a metastatic pnet arising probably from the kidney in a 17-year-old female patient with local invasion and metastasis to the stomach. pnet should be considered as ...
intraocular metastatic tumors have been increasingly reported in the recent past. unlike choroidal metastasis, metastasis to retina is very rare and so far has been reported in very few case reports only. case presentation : a 56 year-old male who presented with a history of adenocarcinoma of the cecum and underwent lap colectomy for the primary cecal tumor, received adjuvant chemotherapy for a...
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