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Adrenal medullary disease in multiple endocrine neoplasia type II.

The diagnosis of multiple endocrine neoplasia type II (MEN-II) was made in 18 patients from 1966 through 1978 at the University of Michigan Medical Center. Eight patients had adrenal medullary disease. Seven had bilateral adrenal pheocyromocytomas (two with concomitant medullary hyperplasia) and one had a unilateral pheochromocytoma with contralateral medullary hyperplasia. No malignant or extraadrenal pheochromocytomas were found. Pheochromocytomas in patients with MEN-II are multiple and involve both adrenal glands. Adrenal venography is advocated as the primary diagnostic tool for localization of adrenal medullary disease in MEN-II patients.

Adolescent↗

Adrenal involvement in non-Hodgkin lymphoma.

Adrenal masses are described in seven cases of non-Hodgkin lymphoma in a series of 173 patients. In all seven patients the lymphoma was diffuse rather than nodular. Three patients had adrenal masses at the time of presentation, whereas in four cases the adrenal gland was a site of tumor recurrence after therapy. Three patients had simultaneous bilateral adrenal involvement by tumor. No characteristic features were recognized that might have distinguished these tumors from other adrenal masses. Appropriate therapy successfully resolved the adrenal masses in all but one case. The latter patient was the only one with evidence of adrenal insufficiency.

Adrenal Gland Neoplasms↗

Imaging the adrenal glands with radiolabeled inhibitors of enzymes: concise communication.

Although radioiodinated cholesterols furnished the first noninvasive imaging of the adrenal glands, it would be desirable to decrease the time for imaging and decrease the radiation dose. The relative tissue distributions of two radiolabeled enzyme inhibitors [3H] metyrapol and I-125-SKF-12185 were studied in dogs and man. Their percentage uptakes and target-to-nontarget ratios were similar. The adrenals of three dogs were imaged sharply at 2 hr after injection with 4--6 mCi of I-131-SKF-12185, confirmed by subsequent imaging with 1 mCi of I-131-6-beta-19-nor cholesterol at 5 days after injection. The use of 1 mCi of I-123-SKF will permit imaging of the adrenals in 1--2 hr and will decrease the radiation dose in the human to 0.76 rads to the adrenal, 0.18 rads to the ovaries and 1.7 rads to the liver.

Adrenal Gland Neoplasms↗

[Simultaneous allotransplantation of the adrenal gland and the kidney].

Thirteen months after a bilateral nephrectomy for a synchronous bilateral renal cell carcinoma involving both adrenal glands, a 46 years-old man underwent a simultaneous adrenal and kidney allotransplantation. The left renal allograft was harvested together with a ipsilateral adrenal gland using a common aortic patch. Maintenance immunosuppression was based on azathioprine, antilymphocyte globulin cyclosporine and prednisolone. Kidney allograft function remained stable for 5 years until the patient died from multifocal pancreatic metastases. Clinical, biochemical, radiological and histological arguments demonstrated the function of adrenal allograft. To our knowledge, it is the first report of a simultaneous kidney and adrenal gland allotransplantation in a therapeutic intent. An adrenal gland allotransplantation is only justified when the adrenal insufficiency exists with an end stage organ failure requiring transplantation and therefore immunosuppressive drugs.

Adrenal Gland Neoplasms↗

CD44 expression in normal adrenal tissue and adrenal tumours.

BACKGROUND: CD44 is a cell surface glycoprotein found on many normal cells, mainly lymphoid and epithelial. Normal cells usually express standard CD44 (CD44-S), whereas malignant tumours may express CD44 variant isoforms (CD44-V). CD44 expression has been described for neural crest derivatives. Characterisation of differences in CD44 expression may help in the diagnosis and differentiation of distinct adrenal tumours. AIMS: To examine CD44 expression in different layers of cortical cortex, in adrenal medulla, and in adrenal tumours. METHODS: CD44-S and CD44-V6 expression were studied in 12 cases of adrenal cortical adenoma, 3 of adrenal cortical carcinoma, 10 of pheochromocytoma, and 4 normal adrenal glands. RESULTS: CD44-V6 staining showed cytoplasmic expression in normal adrenal cortex and in cortical adenomas and carcinomas. Pheochromocytomas also showed CD44-V6 expression but in 5 of the 10 cases it was sparse, focal, and sometimes perinuclear. Strong membranous staining for CD44-S was observed in normal adrenal medulla. Analysis of CD44-S expression revealed differences between cortical adrenal tumours and pheochromocytomas. Ten of 12 cortical adenomas and 2 of 3 cortical carcinoma cells showed weak to moderate cytoplasmic staining, but all cases of pheochromocytoma had strong membranous staining. CONCLUSIONS: Membranous CD44-S staining may help to distinguish pheochromocytoma from adrenal cortical adenoma.

Adrenal Cortex↗