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Nam Quang Tran Department of Endocrinology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
Department of Endocrinology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam

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Chien Cong Phan Department of Imaging, University Medical Center at Ho Chi Minh City, Ho Chi Minh City, Vietnam

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Thao Thi Phuong Doan Department of Histopathology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam

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Thang Viet Tran Department of Endocrinology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
Department of Endocrinology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam

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Summary

Primary adrenal insufficiency is a rare disease and can masquerade as other conditions; therefore, it is sometimes incorrectly diagnosed. Herein, we reported the case of a 39-year-old Vietnamese male with primary adrenal insufficiency due to bilateral adrenal tuberculosis. The patient presented to the emergency room with acute adrenal crisis and a 3-day history of nausea, vomiting, epigastric pain, and diarrhoea with a background of 6 months of fatigue, weight loss, and anorexia. Abdominal CT revealed bilateral adrenal masses. Biochemically, unequivocal low morning plasma cortisol (<83 nmol/L) and high plasma adrenocorticotropic hormone levels were consistent with primary adrenal insufficiency. There was no evidence of malignancy or lymphoma. As the patient was from a tuberculosis-endemic area, extra-adrenal tuberculosis was excluded during the work up. A retroperitoneal laparoscopic left adrenalectomy was performed, and tuberculous adrenalitis was confirmed by the histopathological results. The patient was started on antituberculous therapy, in addition to glucocorticoid replacement. In conclusion, even without evidence of extra-adrenal tuberculosis, a diagnosis of bilateral adrenal tuberculosis is required. A histopathological examination has a significant role along with clinical judgement and hormonal workup in establishing a definitive diagnosis of adrenal tuberculosis without evidence of active extra-adrenal involvement.

Learning points

  • Primary adrenal insufficiency can be misdiagnosed as other mimicking diseases, such as gastrointestinal illness, leading to diagnostic pitfalls.

  • Adrenal insufficiency can be confirmed with significantly low morning plasma cortisol levels of <83 nmol/L without a dynamic short cosyntropin stimulation test.

  • Tuberculous adrenalitis is an uncommon treatable condition; however, it remains an important cause of primary adrenal insufficiency, especially in developing countries. In the absence of extra-adrenal involvement, adrenal biopsy plays a key role in the diagnostic process. Alternatively, adrenalectomy for histopathological purposes should be considered if CT scan-guided fine needle aspiration is infeasible in cases of small adrenal masses.

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Angelika Mohn Department of Pediatrics, University of Chieti, Chieti, Italy

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Nella Polidori Department of Pediatrics, University of Chieti, Chieti, Italy

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Chiara Aiello Department of Neurosciences, Department of Pediatrics, IRCCS Bambino Gesù Children's Hospital, Rome, Italy

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Cristiano Rizzo Division of Metabolism and Research Unit of Metabolic Biochemistry, Department of Pediatrics, IRCCS Bambino Gesù Children's Hospital, Rome, Italy

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Cosimo Giannini Department of Pediatrics, University of Chieti, Chieti, Italy

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Francesco Chiarelli Department of Pediatrics, University of Chieti, Chieti, Italy

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Marco Cappa Unit of Endocrinology, Department of Pediatrics, IRCCS Bambino Gesù Children's Hospital, Rome, Italy

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Summary

Adrenoleukodystrophy is a peroxisomal X-linked recessive disease caused by mutations in the ABCD1 gene, located on the X-chromosome (Xq28). Gene mutations in patient with adrenoleukodystrophy induce metabolic alterations characterized by impaired peroxisomal beta-oxidation and accumulation of very long chain fatty acid (VLCFA) in plasma and in all tissues. Although nutritional intervention associated with a various mixture of oil prevents the accumulation of VLCFA, to date no causal treatment is available. Therefore, haematopoietic stem cell transplantation (HSCT) and gene therapy are allowed only for very early stages of cerebral forms diagnosed during childhood.We reported a case series describing five family members affected by X-linked adrenoleukodystrophy caused by a novel mutation of the ABCD1 gene. Particularly, three brothers were affected while the sister and mother carried the mutation of the ABCD1 gene. In this family, the disease was diagnosed at different ages and with different clinical pictures highlighting the wide range of phenotypes related to this novel mutation. In addition, these characteristics stress the relevant role of early diagnosis to properly set a patient-based follow-up.

Learning points

  • We report a novel mutation in the ABCD1 gene documented in a family group associated to an X-ALD possible Addison only phenotype.

  • All patients present just Addison disease but with different phenotypes despite the presence of the same mutations. Further follow-up is necessary to complete discuss the clinical development.

  • The diagnosis of ALD needs to be included in the differential diagnosis in all patients with idiopathic PAI through accurate evaluation of VLCFA concentrations and genetic confirmation testing.

  • Early diagnosis of neurological manifestation is important in order to refer timely to HSCT.

  • Further follow-up of these family members is necessary to characterize the final phenotype associated with this new mutation.

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Tina Kienitz Endocrinology in Charlottenburg, Stuttgarter Platz 1, Berlin, Germany

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Jörg Schwander Endocrinology in Charlottenburg, Stuttgarter Platz 1, Berlin, Germany

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Ulrich Bogner Endocrinology in Charlottenburg, Stuttgarter Platz 1, Berlin, Germany

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Michael Schwabe Pathology, DRK-Kliniken Westend, Berlin, Germany

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Thomas Steinmüller Department of Abdominal and Endocrine Surgery, DRK-Kliniken Westend, Berlin, Germany

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Marcus Quinkler Endocrinology in Charlottenburg, Stuttgarter Platz 1, Berlin, Germany

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Summary

Apart from adrenal myelolipomas, adrenal lipomatous tumors are rare and only seldom described in the literature. We present the case of a 50-year-old man, with a classical form of congenital adrenal hyperplasia (CAH), which was well treated with prednisolone and fludrocortisone. The patient presented with pollakisuria and shortness of breath while bending over. On MRI, fat-equivalent masses were found in the abdomen (14 × 19 × 11 cm on the right side and 10 × 11 × 6 cm on the left side). The right adrenal mass was resected during open laparotomy and the pathohistological examination revealed the diagnosis of an adrenal lipoma. Symptoms were subdued totally postoperatively. This is the first report of a bilateral adrenal lipoma in a patient with CAH that we are aware of.

Learning points:

  • Macronodular hyperplasia is common in patients with congenital adrenal hyperplasia (CAH).

  • Solitary adrenal tumors appear in approximately 10% of adult CAH patients and are often benign myelolipomas.

  • The Endocrine Society Clinical Practice Guideline does not recommend routine adrenal imaging in adult CAH patients.

  • Adrenal imaging should be performed in CAH patients with clinical signs for an adrenal or abdominal mass.

  • Adrenal lipoma is rare and histopathological examinations should rule out a differentiated liposarcoma.

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Anna Kopczak Max Planck Institute of Psychiatry, Clinical Neuroendocrinology Group, Munich, Germany
Max Planck Institute of Psychiatry, Clinical Neuroendocrinology Group, Munich, Germany

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Adrian-Minh Schumacher Institute for Stroke and Dementia Research

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Sandra Nischwitz Max Planck Institute of Psychiatry, Clinical Neuroendocrinology Group, Munich, Germany

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Tania Kümpfel Institute of Clinical Neuroimmunology, Klinikum der Universität München, Ludwig-Maximilians Universität LMU, Munich, Germany

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Günter K Stalla Max Planck Institute of Psychiatry, Clinical Neuroendocrinology Group, Munich, Germany

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Matthias K Auer Max Planck Institute of Psychiatry, Clinical Neuroendocrinology Group, Munich, Germany

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Summary

The autoimmune polyendocrinopathy–candidiasis–ectodermal dystrophy (APECED) syndrome is a genetic disorder caused by a mutation in the autoimmune regulator (AIRE) gene. Immune deficiency, hypoparathyroidism and Addison’s disease due to autoimmune dysfunction are the major clinical signs of APECED. We report on a 21-year-old female APECED patient with two inactivating mutations in the AIRE gene. She presented with sudden onset of periodic nausea. Adrenal insufficiency was diagnosed by means of the ACTH stimulation test. Despite initiation of hormone replacement therapy with hydrocortisone and fludrocortisone, nausea persisted and the patient developed cognitive deficits and a loss of interest which led to the diagnosis of depression. She was admitted to the psychiatric department for further diagnostic assessment. An EEG showed a focal epileptic pattern. Glutamic acid decarboxylase (GAD) antibodies, which had been negative eight years earlier, were now elevated in serum and in the cerebrospinal fluid. Oligoclonal bands were positive indicating an inflammatory process with intrathecal antibody production in the central nervous system (CNS). The periodic nausea was identified as dialeptic seizures, which clinically presented as gastrointestinal aura followed by episodes of reduced consciousness that occurred about 3–4 times per day. GAD antibody-associated limbic encephalitis (LE) was diagnosed. Besides antiepileptic therapy, an immunosuppressive treatment with corticosteroids was initiated followed by azathioprine. The presence of nausea and vomiting in endocrine patients with autoimmune disorders is indicative of adrenal insufficiency. However, our case report shows that episodic nausea may be a symptom of epileptic seizures due to GAD antibodies-associated LE in patients with APECED.

Learning points:

  • Episodic nausea cannot only be a sign of Addison’s disease, but can also be caused by epileptic seizures with gastrointestinal aura due to limbic encephalitis.

  • GAD antibodies are not only found in diabetes mellitus type 1, but they are also associated with autoimmune limbic encephalitis and can appear over time.

  • Limbic encephalitis can be another manifestation of autoimmune disease in patients with APECED/APS-1 that presents over the time course of the disease.

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Asma Deeb Paediatric Endocrinology Department, Mafraq Hospital, Abu Dhabi, UAE

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Hana Al Suwaidi Paediatric Endocrinology Department, Mafraq Hospital, Abu Dhabi, UAE

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Salima Attia Paediatric Endocrinology Department, Mafraq Hospital, Abu Dhabi, UAE

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Ahlam Al Ameri Paediatric Endocrinology Department, Mafraq Hospital, Abu Dhabi, UAE

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Summary

Combined17α-hydroxylase/17,20-lyase deficiency is a rare cause of congenital adrenal hyperplasia and hypogonadism. Hypertension and hypokalemia are essential presenting features. We report an Arab family with four affected XX siblings. The eldest presented with abdominal pain and was diagnosed with a retroperitoneal malignant mixed germ cell tumour. She was hypertensive and hypogonadal. One sibling presented with headache due to hypertension while the other two siblings were diagnosed with hypertension on a routine school check. A homozygous R96Q missense mutation in P450c17 was detected in the index case who had primary amenorrhea and lack of secondary sexual characters at 17 years. The middle two siblings were identical twins and had no secondary sexual characters at the age of 14. All siblings had hypokalemia, very low level of adrenal androgens, high ACTH and high levels of aldosterone substrates. Treatment was commenced with steroid replacement and puberty induction with estradiol. The index case had surgical tumor resection and chemotherapy. All siblings required antihypertensive treatment and the oldest remained on two antihypertensive medications 12 years after diagnosis. Her breast development remained poor despite adequate hormonal replacement. Combined 17α-hydroxylase/17,20-lyase deficiency is a rare condition but might be underdiagnosed. It should be considered in young patients presenting with hypertension, particularly if there is a family history of consanguinity and with more than one affected sibling. Antihypertensive medication might continue to be required despite adequate steroid replacement. Breast development may remain poor in mutations causing complete form of the disease.

Learning points

  • Endocrine hypertension due to rarer forms of CAH should be considered in children and adolescents, particularly if more than one sibling is affected and in the presence of consanguinity.

  • 17α-hydroxylase/17,20-lyase deficiency is a rare form of CAH but might be underdiagnosed.

  • Blood pressure measurement should be carried out in all females presenting with hypogonadism.

  • Anti-hypertensive medications might be required despite adequate steroid replacement.

  • Initial presenting features might vary within affected members of the same family.

  • Adverse breast development might be seen in the complete enzyme deficiency forms of the disease.

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Siew Hui Foo
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Shahada A H Sobah Department of Haematology, Ampang Hospital, Selangor, Malaysia

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Summary

Hypopituitarism is a rare presentation of Burkitt's lymphoma (BL). The purpose of this report is to present a case of BL presenting with panhypopituitarism and to review other case reports of lymphoma presenting with pituitary dysfunction to highlight the distinguishing features of these cases from other benign aetiologies of pituitary dysfunction such as non-functioning pituitary adenomas. We reviewed a total of 11 cases of lymphoma presenting with pituitary dysfunction published from 1998 to 2013 including the present case. The demographics, clinical presentations, laboratory features, radiological findings, histological diagnosis, treatment administered and outcomes were described. Of the total number of patients, 45.5% of the cases had diffuse large B-cell lymphoma while 27.3% had BL. Anterior pituitary dysfunction was more common than posterior pituitary dysfunction at presentation. The other common associated presenting symptoms were painful ophthalmoplegia, cranial nerve palsies and constitutional symptoms. Hypothalamic–pituitary abnormalities were often demonstrated radiologically to be associated with cavernous sinus and/or stalk involvement. All patients who completed immunochemotherapy responded haematologically. Pituitary dysfunction also improved in most cases although the recovery tended to be partial. In conclusion, a high index of suspicion of underlying malignancy, such as lymphoma, should be present in patients presenting with acute pituitary dysfunction associated with painful ophthalmoplegia, rapidly evolving neurological features, radiological features atypical of a pituitary adenoma and constitutional symptoms. An early diagnosis is essential as prompt initiation of definitive therapy will induce disease remission and recovery of pituitary dysfunction.

Learning points

  • Hypopituitarism may be the presenting symptom of lymphoma in the absence of associated overt symptoms or signs of a haematological malignancy resulting in delay in diagnosis and institution of treatment.

  • Pituitary dysfunction due to tumour infiltration has a greater tendency to involve the posterior pituitary and infundibulum resulting in diabetes insipidus and hyperprolactinaemia compared with a non-functioning pituitary adenoma.

  • The common associated symptoms of hypopituitarism due to lymphoma infiltration of the hypothalamic–pituitary system include painful ophthalmoplegia, cranial nerve palsies and constitutional symptoms.

  • Radiological abnormalities of the hypothalamic–pituitary region are usually present and often associated with cavernous sinus or stalk involvement.

  • With early institution of definitive treatment, both haematological response and improvement of pituitary dysfunction are expected although the reversal of hypopituitarism tends to be partial and delayed.

  • A high index of suspicion of underlying malignancy such as lymphoma should be present in patients presenting with acute pituitary dysfunction associated with painful ophthalmoplegia, radiological features atypical of pituitary adenomas and constitutional symptoms to enable early diagnosis and prompt initiation of definitive therapy.

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