نتایج جستجو برای: androgen secreting neoplasm
تعداد نتایج: 215468 فیلتر نتایج به سال:
Excess male-pattern body hair in women is a very common and psychologically damaging condition. Although its cause is usually a chronic and benign disorder (most commonly polycystic ovary syndrome) it may rarely be an indication of a more serious endocrine disease such as Cushing syndrome or an androgen-secreting tumour. Investigations do not usually need to be extensive, but effective manageme...
OBJECTIVE Adrenocortical tumors (ACT) account for no more than 0.2% of the causes of androgen excess (AE). Conversely, these rare tumors have a very poor prognosis. It is difficult and important to exclude this diagnosis whenever there is AE. DESIGN Retrospective investigation of androgen profiles in a large consecutive series of androgen-secreting (AS) ACT to assess their relative diagnostic...
In order to understand why the angiogenesis inhibitor thrombospondin-1 (TSP1) is often, although not always, associated with prostatic tumors, we have investigated its relationship with the testosterone and the vasculature on which both normal and tumorigenic prostatic epithelia depend. In vivo, androgen withdrawal led to increased TSP1 production and decreased vascularization in the normal rat...
In order to understand why the angiogenesis inhibitor thrombospondin-1 (TSP1) is often, although not always, associated with prostatic tumors, we have investigated its relationship with the testosterone and the vasculature on which both normal and tumorigenic prostatic epithelia depend. In vivo , androgen withdrawal led to increased TSP1 production and decreased vascularization in the normal ra...
Prostate cancer is the second most commonly diagnosed neoplasm in men. This neoplasm has usually excellent prognosis, mostly consequent to the early diagnosis and the effective hormonal therapy. However, significant percentages of patients treated with total androgen blockade therapy, escape to treatment and evolve toward a more aggressive type of cancer. This clinical entity, named castration-...
PATIENT Male, 81 FINAL DIAGNOSIS: Prostate cancer Symptoms: Anorexia • dark urine • joundice • letargy MEDICATION Casodex Clinical Procedure: - Specialty: Oncology. OBJECTIVE Adverse events of drug therapy. BACKGROUND Bicalutamide is a nonsteroidal anti-androgen used extensively during the initiation of androgen deprivation therapy with a luteinizing hormone-releasing hormone (LHRH) agoni...
a 7-year-old castrated male german shepherd dog was presented with a 10-day history of intermittent lethargy, weakness and episodic seizures. laboratory findings after admission revealed hypoglycaemia and hyperinsulinaemia. provisional diagnosis of insulinoma was made based on the presence of concurrent hypoglycaemia and elevated insulin level. in exploratory laparotomy a small nodular mass was...
Mucoepidermoid carcinoma is a rare conjunctival neoplasm that is a common malignancy in the salivary glands. In the conjunctiva it often mimics squamous cell carcinoma. Histologically the tumors are believed to arise from pluripotential basal cells and, possibly, mucussecreting elements, and therefore are composed of mucus-secreting cells intermixed with epidermoid cells. The clear cell variant...
Reninoma is a rare, renin-secreting, benign renal neoplasm that can cause secondary hypertension. We report a case of a 21-year-old man who suffered from progressively worsening headache for 2 months with a history of hypertension for 7 years. Laboratory studies showed normal potassium level, increased basal plasma renin activity, and normal serum aldosterone level. Abdominal computed tomograph...
Ectopic ACTH production occurs in about 10% of all cases of Cushing's syndrome, and about 25% of cases of ACTH-dependent Cushing's syndrome. Diverse tumor types are able to produce ACTH ectopically, including small cell lung carcinoma. Ectopic ACTH secretion by malignant neoplasm has been reported to have earlier and more aggressive metabolic effects. We report a 59-year-old male patient with s...
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