In a woman with elevated testosterone and mildly increased DHEAS suggestive of polycystic ovary syndrome, does the DHEAS level indicate an adrenal tumor?

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Last updated: November 4, 2026 • View editorial policy

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¿Un DHEAS elevado sugiere tumor suprarrenal?

No, un DHEAS levemente elevado en el contexto de testosterona elevada y características de síndrome de ovario poliquístico (SOP) NO sugiere tumor suprarrenal. Los tumores suprarrenales requieren niveles de DHEAS que excedan marcadamente el rango normal (>600 μg/dL o >700 μg/dL según diferentes guías) 1, 2.

Umbrales críticos para sospechar tumor suprarrenal

El nivel de DHEAS debe ser >600 μg/dL para considerar tumor suprarrenal 1. Las guías de la Endocrine Society de 2017 establecen claramente que niveles de DHEAS que "exceden por mucho el rango normal" (específicamente >600 mg/dL) podrían indicar tumor suprarrenal 1.

  • DHEAS >700 μg/dL: Este umbral más conservador también se menciona como predictor de tumor 2
  • Elevaciones leves o "high normal": Son típicas del SOP, NO de tumores 1

Contexto clínico del SOP vs. tumor

En el SOP, el patrón hormonal típico incluye 1:

  • DHEAS: Normal o "high normal" (límite superior normal o ligeramente elevado)
  • Testosterona: Normal alta o ligeramente elevada
  • Relación LH/FSH: Frecuentemente LH > FSH
  • Sin virilización rápida o progresiva

Señales de alarma que SÍ sugieren tumor:

  1. Virilización rápida y progresiva: Clitoromegalia, voz grave, aumento de masa muscular 2, 3
  2. Testosterona en rango masculino (>150-250 ng/dL) 4, 5
  3. DHEAS >600-700 μg/dL 1, 2
  4. Inicio súbito en mujer postmenopáusica 5, 6

Algoritmo diagnóstico recomendado

Para una mujer con testosterona elevada y DHEAS levemente aumentado:

  1. Evaluar el grado de elevación del DHEAS:

    • Si <600 μg/dL → Tumor suprarrenal muy improbable
    • Si >600 μg/dL → Considerar imagen suprarrenal (TC) 1
  2. Evaluar signos de virilización:

    • Ausentes o leves (hirsutismo, acné) → Compatible con SOP
    • Severos o progresivos → Requiere evaluación urgente para tumor 2, 3
  3. Considerar prueba de supresión con dexametasona si hay duda:

    • En SOP: DHEAS se suprime normalmente
    • En tumor: DHEAS NO se suprime 7, 8

Advertencias importantes

Trampa común: Asumir que cualquier DHEAS elevado indica origen suprarrenal. En realidad:

  • Las mujeres con SOP de peso normal tienen DHEAS más alto que las obesas con SOP 1
  • Aproximadamente 16% de mujeres con hirsutismo tienen DHEAS elevado pero testosterona normal 2
  • Un DHEAS levemente elevado con testosterona elevada es el patrón TÍPICO del SOP, no de tumor 1

Excepción rara: Algunos tumores ováricos (células de Leydig, tumores de células esteroideas) pueden elevar DHEAS, aunque esto es extremadamente infrecuente porque el ovario carece de sulfotransferasa 6. En estos casos, la testosterona suele estar marcadamente elevada (>150 ng/dL).

Cuándo NO preocuparse por tumor

Si la paciente tiene 1, 5:

  • DHEAS <600 μg/dL
  • Testosterona <150 ng/dL
  • Oligomenorrea crónica (no inicio agudo)
  • Ausencia de virilización severa
  • Ovarios poliquísticos en ultrasonido

Entonces el diagnóstico es SOP funcional, no tumor suprarrenal 1, 2, 1.

References

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