Sheehan syndrome is a rare cause of hypopituitarism characterized by pituitary gland necrosis after postpartum hemorrhage. It is a pertinent cause of maternal morbidity and mortality in developing countries with deficient obstetrical care but is frequently overlooked in developed countries where its occurrence is uncommon. We present the case of a 66-year-old female diagnosed with Sheehan syndrome more than 30 years after her last delivery complicated by postpartum hemorrhage. Although the patient presented several symptoms and signs of pituitary hormonal deficiencies, a diagnosis had never been established before. The complete laboratory analysis revealed a deficiency in the pituitary axis, and the cranial imaging showed an empty sella turcica. Hormonal replacement therapy resolved several impairments in terms of general energy, physical capacity, temperature regulation, skin characteristics, and sexual function. It also improved her cardiovascular and osteoporosis risk, and, most importantly, prevented a potential life-threatening adrenal crisis. This report highlights the subtle manifestations of Sheehan syndrome to help clinicians establish a prompt diagnosis. Even in developed countries such as Portugal, this condition should be regarded as a potential cause of hypopituitarism.
Keywords: adrenal insufficiency; amenorrhea; hypogonadism; hypopituitarism; hypothyroidism; postpartum hemorrhage.
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