نتایج جستجو برای: malignant course
تعداد نتایج: 439047 فیلتر نتایج به سال:
Merkel cell carcinoma (MCC) is a rare locally malignant cutaneous tumor of neuroendocrine origin, most often occurring on the head and neck of the elderly. MCC is a highly aggressive tumor with a high percentage of recurrence, metastatic spread and mortality. Despite the highly malignant course of MCC, there have been several reports of spontaneous regression or resolution. We report the clinic...
An anomalous origin of a coronary artery (AOCA) is the second most common cause of non-traumatic sudden cardiac death in young athletes. Patients with a malignant course of an AOCA of the right coronary artery only need surgical correction when myocardial ischaemia is detected. An AOCA and its malignant or benign course can be detected by coronary angiography, coronary computed tomography or ca...
Intradural extramedullary spinal ependymomas are extremely rare. Herein, we describe a lesion-type spinal ependymoma that followed a malignant course, and discuss its clinical presentation, etiopathogenesis, and treatment. We present a patient who was diagnosed with an intradural extramedullary spinal tumor at T4-T6. The patient underwent gross total resection of the tumor without damage to the...
Localized malignant mesothelioma is an extremely rare form of presentation of malignant mesotheliomas. The definitive therapeutic modality of the disease is yet to be identified. A 50-year-old male, a former smoker without occupational and/or environmental exposure to asbestos, presented complaining of an intractable cough. The chest radiography showed a left upper lobe mass. The computed tomog...
Malignant granular cell tumor is a rare malignant soft tissue neoplasm that occurs at various sites [1-18] and accounts for 1–2% of granular cell tumors [1]. Granular cell tumors are generally divided into 3 categories according to the diagnostic criteria proposed by Fanburg-Smith et al. [1], although these criteria for malignancy are still debated among pathologists. Malignant granular cell tu...
Spindle-cell sarcomas are a group of aggressive malignant soft-tissue tumors with diverse clinical presentations. While some of these tumors may represent de novo malignant transformation of benign entities, others may present with a long indolent course before their invasive nature is apparent. We report the case of a previously healthy 73-year-old female with spindle-cell sarcoma of the left ...
In sera of women with malignant and non-malignant ovarian tumors, concentrations of the following proteins were determined: haptoglobin, measured by the reactions either with hemoglobin (Hp-Hb) or with concanavalin A (Hp-Con A), CA 125 antigen and interleukin 6 (IL-6). Besides preoperative data, obtained from all the patients and the group of healthy women, in the patients with ovarian cancer (...
Convincing clinical evidence indicates that the limited success of T-cell-based immunotherapy of malignant diseases is caused, at least in part, by the ability of malignant cells to escape from immune recognition and destruction. Among the multiple escape mechanisms identified, a major role is played by changes in the expression and/or function of HLA antigens expressed by tumor cells, because ...
The smoking habits of 82 patients with malignant-phase hypertension were compared with those of subjects in three control groups matched for age and sex. Sixty-seven (82%) of the patients with malignant-phase hypertension were smokers compared with 41 (50%) and 71 (43%) of the patients in two control groups with non-malignant hypertension, and 43 people (52%) in a general population survey. The...
''Malignant Hypothermia'' syndrome is a rare, but dangerous occurrence, the aetiology of which is not known. Up to this date 180 cases have been reported. This syndrome i's seen generally in :male children over age of two years, and especially in adolescent males. Also those people with muscular abnormalities are more susciptable to this illnes'S. Anaesthetic agent such as halothane or muscular...
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