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تعداد نتایج: 13594969 فیلتر نتایج به سال:
Introduction: Retropharyngeal lipoma is a rare benign tumor (less than 27 reports in literature) of nonspecific clinical symptoms. It can grow to an enormous extent causing total obstruction of the upper respiratory tract. Until now its etiology is unknown. Case Report: A 60-year old female complained from severe snoring mild dysphagia and moderate respiratory difficulty with gradual onset si...
Holoprosencephaly (HPE) is a rare congenital brain malformation associated with multiple midline facial defects. This anomaly is resulted from the failure of diverticulation and cleavage of primitive prosencephalon during weeks 4-8 of gestation. HPE is the most common forebrain developmental anomaly in human with the incidence rate of 0.49-1.2 cases per 10,000-20,000 term births. In this study,...
A rare case of splenic harmartoma in a 31 year old female is reported. She was admitted with splenomegaly, fever and chronic history of epistaxis. Routine hematological survey revealed pancytopenia and mild hypercellular marrow. Abdominal sonography showed a space-occupying lesion in the spleen which was suspected as malignant tumor. Splenectomy was performed and histologic findings were d...
Abstract Familial hypercholesterolemia (FH) is a hereditary dislipidemia. Patients present with extremely high level of low-density lipoprotein cholesterol (LDL-C), which is due to mutation in the gene of LDL receptor. Homozygous patients (HoFH) whose incidence is 1 in 1.000.000 are at high risk of premature aortic valve stenosis, and coronary artery atherosclerosis. In homozygous individual...
Teratomas are tumors originated from mature or immature tissues. Teratomas are made up of one embryonic layer or all three embryonic layers (endoderm, mesoderm, or ectoderm). Herein we report a 41-year-old man who presented with vertigo, vomiting, and tinnitus. After physical examination, laboratory evaluation and performing computed tomography, cholesteatoma was diagnosed, however, during radi...
Hyperekplexia is a rare non-epileptic disorder characterized by an exaggerated and persistent startle reaction to the unexpected tactile and acoustic stimuli. The disorder is occasionally associated with generalized muscular rigidity and has the clinical hallmark of positive nose tapping test.The disease is inherited in an autosomal dominant fashion. Recessively inherited and sporadic forms of...
'rwo cases of post-partum amenorrhea with other clinical signs of She1ehan syndrom was studied at the Loghmandoleh Medical Center, National University of Iran. Clinical diagnosis was confirmed by appropriate laboratory work -up in the f.irSlt case and the patient was placed on the conventional end orga.n hormon substitutional therapy (Thyroid -Gonad -Adrenal) and was discharged in good cond...
In this article Pendred's syndrome, which is the combination of - congenital goitre with deafmutism, is discussed. This type of goitre is due to a special enzymatic defect, involving a process of hormonogenesis, which is respon-· sible for the incorporation of iodide in the tyrosine molecule. A case of pendred's syndrome is presented in a 16-year-old girl. This girl has never been able to...
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