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1.
J Clin Endocrinol Metab ; 105(1)2020 01 01.
Artículo en Inglés | MEDLINE | ID: mdl-31529070

RESUMEN

BACKGROUND: Non-classic 21-hydroxylase deficiency is usually diagnosed in post-pubertal women because of androgen excess. Indication of systematic steroid replacement therapy is controversial because the risk of acute adrenal insufficiency is unknown. In order to specify this risk we evaluated the cortisol and aldosterone secretions in response to appropriate pharmacologic challenges. METHODS: In this prospective case-control non-inferiority study we investigated 20 women with non-classic 21-hydroxylase deficiency carrying biallelic CYP21A2 mutations and with serum 17-hydroxyprogesterone (17OHP) >10 ng/mL after stimulation with Synacthen® (tetracosactrin) and 20 age- and body mass index-matched healthy women with 17OHP after Synacthen® <2 ng/mL. Each participant underwent sequentially an insulin tolerance test to evaluate cortisol secretion and a sodium depletion test, obtained by oral administration of 40 mg of furosemide under low sodium diet (<20 mmol during 24 hours), to evaluate renin and aldosterone secretion. FINDINGS: The peak serum cortisol concentration after insulin hypoglycemia was lower in patients than in controls (mean difference -47 ng/mL, 90% CI, -66, P = 0.0026). A peak serum cortisol above a cutoff value of 170 ng/mL was obtained in all controls but only in 55% of patients (P = 0.0039). Twenty-four hours after sodium depletion, blood pressure, plasma sodium, potassium, and serum aldosterone concentrations were comparable between the two groups, but patients had higher stimulated renin concentrations than controls (P = 0.0044). INTERPRETATION: Patients with non-classic 21-hydroxylase deficiency frequently display partial cortisol insufficiency and compensated defect in aldosterone secretion. Their clinical management should systematically include assessment of adrenal functions.


Asunto(s)
Hiperplasia Suprarrenal Congénita/fisiopatología , Aldosterona/sangre , Biomarcadores/sangre , Hidrocortisona/sangre , Hipoglucemia/patología , Seudogenes , Sodio/deficiencia , Adolescente , Adulto , Estudios de Casos y Controles , Estudios de Equivalencia como Asunto , Femenino , Estudios de Seguimiento , Francia/epidemiología , Humanos , Hipoglucemia/sangre , Hipoglucemia/epidemiología , Incidencia , Persona de Mediana Edad , Pronóstico , Estudios Prospectivos , Adulto Joven
3.
J Endocr Soc ; 1(6): 737-741, 2017 Jun 01.
Artículo en Inglés | MEDLINE | ID: mdl-29264526

RESUMEN

CONTEXT: Classic Kaposi sarcoma (KS), also known as Mediterranean KS, affects immunocompetent patients and is usually limited to the skin, without profound organ involvement. We report an exceptional case of a primary adrenal classic KS. CASE DESCRIPTION: A left adrenal incidentaloma was fortuitously discovered on a computed tomography scan performed for chest pain in a 60-year-old man. Magnetic resonance imaging showed a heterogeneous left adrenal nodule enhanced by gadolinium injection. Adrenalectomy revealed a massive spindle cell infiltrate of the adrenal gland that was positive for CD31, CD34, and herpes virus 8 (HHV8) on immunohistochemistry, allowing for the diagnosis of KS. The explorations revealed no immunodeficiency or other involvement of KS. Four months later, another nodular lesion appeared on the right adrenal gland, and 2.5 years later, two nodular angiomatous KS lesions had appeared on the right foot. The evolution was indolent, and no complementary treatment of KS was required at 3 years after the diagnosis. CONCLUSIONS: Adrenal involvement of KS is rare, eventually observed in AIDS-KS. The present case is, to the best of our knowledge, the first report of primary isolated adrenal classic KS. KS should be considered in the etiology of adrenal incidentaloma, especially if the patient has epidemiological risk factors for HHV8 infection, mainly, but not exclusively, in the context of immunodeficiency.

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