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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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Aishah Ekhzaimy Department of Medicine and College of Medicine, King Saud University, Riyadh, Saudi Arabia

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Afshan Masood Obesity Research Center, and College of Medicine, King Saud University, Riyadh, Saudi Arabia

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Seham Alzahrani Department of Medicine and College of Medicine, King Saud University, Riyadh, Saudi Arabia

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Waleed Al-Ghamdi Department of Medicine and College of Medicine, King Saud University, Riyadh, Saudi Arabia

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Daad Alotaibi Department of Medicine and College of Medicine, King Saud University, Riyadh, Saudi Arabia

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Muhammad Mujammami Department of Medicine and College of Medicine, King Saud University, Riyadh, Saudi Arabia

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Summary

Central diabetes insipidus (CDI) and several endocrine disorders previously classified as idiopathic are now considered to be of an autoimmune etiology. Dermatomyositis (DM), a rare autoimmune condition characterized by inflammatory myopathy and skin rashes, is also known to affect the gastrointestinal, pulmonary, and rarely the cardiac systems and the joints. The association of CDI and DM is extremely rare. After an extensive literature search and to the best of our knowledge this is the first reported case in literature, we report the case of a 36-year-old male with a history of CDI, who presented to the hospital’s endocrine outpatient clinic for evaluation of a 3-week history of progressive facial rash accompanied by weakness and aching of the muscles.

Learning points:

  • Accurate biochemical diagnosis should always be followed by etiological investigation.

  • This clinical entity usually constitutes a therapeutic challenge, often requiring a multidisciplinary approach for optimal outcome.

  • Dermatomyositis is an important differential diagnosis in patients presenting with proximal muscle weakness.

  • Associated autoimmune conditions should be considered while evaluating patients with dermatomyositis.

  • Dermatomyositis can relapse at any stage, even following a very long period of remission.

  • Maintenance immunosuppressive therapy should be carefully considered in these patients.

Open access
Suguru Watanabe Department of Pediatrics, National Hospital Organization Kumamoto Medical Center, Kumamoto, Japan
Department of Pediatrics, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan

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Jun Kido Department of Pediatrics, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan

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Mika Ogata Department of Pediatrics, National Hospital Organization Kumamoto Medical Center, Kumamoto, Japan

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Kimitoshi Nakamura Department of Pediatrics, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan

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Tomoyuki Mizukami Department of Pediatrics, National Hospital Organization Kumamoto Medical Center, Kumamoto, Japan

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Summary

Hyperglycemic hyperosmolar state (HHS) and diabetic ketoacidosis (DKA) are the most severe acute complications of diabetes mellitus (DM). HHS is characterized by severe hyperglycemia and hyperosmolality without significant ketosis and acidosis. A 14-year-old Japanese boy presented at the emergency room with lethargy, polyuria and polydipsia. He belonged to a baseball club team and habitually drank sugar-rich beverages daily. Three weeks earlier, he suffered from lassitude and developed polyuria and polydipsia 1 week later. He had been drinking more sugar-rich isotonic sports drinks (approximately 1000–1500 mL/day) than usual (approximately 500 mL/day). He presented with HHS (hyperglycemia (1010 mg/dL, HbA1c 12.3%) and mild hyperosmolality (313 mOsm/kg)) without acidosis (pH 7.360), severe ketosis (589 μmol/L) and ketonuria. He presented HHS in type 1 diabetes mellitus (T1DM) with elevated glutamate decarboxylase antibody and islet antigen 2 antibody. Consuming beverages with high sugar concentrations caused hyperglycemia and further exacerbates thirst, resulting in further beverage consumption. Although he recovered from HHS following intensive transfusion and insulin treatment, he was significantly sensitive to insulin therapy. Even the appropriate amount of insulin may result in dramatically decreasing blood sugar levels in patients with T1DM. We should therefore suspect T1DM in patients with HHS but not those with obesity. Moreover, age, clinical history and body type are helpful for identifying T1DM and HHS. Specifically, drinking an excess of beverages rich in sugars represents a risk of HHS in juvenile/adolescent T1DM patients.

Learning points:

  • Hyperglycemic hyperosmolar state (HHS) is characterized by severe hyperglycemia and hyperosmolality without significant ketosis and acidosis.

  • The discrimination between HHS of type 1 diabetes mellitus (T1DM) and type 2 diabetes mellitus (T2DM) in initial presentation is difficult.

  • Pediatrician should suspect T1DM in patients with HHS but not obesity.

  • Age, clinical history and body type are helpful for identifying T1DM and HHS.

  • Children with T1DM are very sensitive to insulin treatment, and even appropriate amount of insulin may result in dramatically decreasing blood sugar levels.

Open access
I Castilla-Cortazar Escuela de Medicina, Tecnologico de Monterrey, Monterrey, México
Fundación de Investigación HM Hospitales, Madrid, Spain

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J R De Ita Escuela de Medicina, Tecnologico de Monterrey, Monterrey, México

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G A Aguirre Escuela de Medicina, Tecnologico de Monterrey, Monterrey, México

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M García–Magariño Escuela de Medicina, Tecnologico de Monterrey, Monterrey, México

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I Martín-Estal Escuela de Medicina, Tecnologico de Monterrey, Monterrey, México

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V J Lara-Diaz Escuela de Medicina, Tecnologico de Monterrey, Monterrey, México

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M I Elizondo Escuela de Medicina, Tecnologico de Monterrey, Monterrey, México

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Summary

Herein, we present a 14-year-old patient with short stature (134 cm) referred from Paediatrics to our department for complementary evaluation since growth hormone (GH) treatment failed to show any improvement. He was born premature and small for gestational age. Genital examination classified the patient as Tanner I–II with small penis and testicular size for his age. Biochemical analyses revealed normal GH levels with low serum insulin-like growth factor-1 (IGF-1). Molecular diagnosis confirmed several mutations in IGF1R and IGFALS, and so he was diagnosed with Laron Syndrome or GH insensibility and treated with IGF-1 substitutive therapy.

Learning points:

  • Evaluation of the GH/IGF-1 axis when short stature does not respond to conservative treatment must be included in the ordinary practice.

  • Laron Syndrome real incidence should be calculated once undiagnosed cases arise, as treatment, due to lack of market, is unaffordable.

  • Even when adulthood is reached, and no longitudinal growth can be achieved, still IGF-1 treatment in Laron Syndrome patients should be pursued as metabolic and protective derangements could arise.

Open access
Caterina Policola Department of Endocrinology and Metabolic Diseases, Università Cattolica del Sacro Cuore, Rome, Italy

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Victoria Stokes Oxford Centre for Diabetes, Endocrinology and Metabolism, Oxford University Hospitals NHS Trust, Old Road, Oxford OX3 7LE, UK

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Niki Karavitaki Oxford Centre for Diabetes, Endocrinology and Metabolism, Oxford University Hospitals NHS Trust, Old Road, Oxford OX3 7LE, UK

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Ashley Grossman Oxford Centre for Diabetes, Endocrinology and Metabolism, Oxford University Hospitals NHS Trust, Old Road, Oxford OX3 7LE, UK

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Summary

Opiate drugs such as morphine are in extensive use for pain relief and palliation. It is well established that these drugs can cause changes in endocrine function, but such effects are not always sufficiently appreciated in clinical practice, especially in relation to the hypothalamic–pituitary–adrenal (HPA) axis. Herein, we report on an 18-year-old man who was diagnosed with a slipped left femoral epiphysis following a long history of pain in his leg. On examination, he was thought to look relatively young for his age and therefore the orthopaedic surgeons arranged an endocrine assessment, which showed an undetectable concentration of serum cortisol and a suppressed concentration of testosterone; therefore, he was referred urgently with a diagnosis of hypopituitarism. We elicited a history that he had been treated with opiate analgesics for 3 days at the time of his original blood tests. Full endocrine assessment including a short Synacthen test revealed that he now had normal adrenal and pituitary function. We conclude that his morphine therapy had caused profound suppression of his HPA and pituitary–gonadal axes and suggest that clinicians should be aware of these significant changes in patients on even short-term opiate therapy.

Learning points

  • Therapy with opiates is the standard therapy for severe acute and chronic pain.

  • Such drugs cause profound changes in endocrine function.

  • Importantly, opiates suppress the HPA axis at a central level.

  • Short-term therapy with morphine could be the cause of biochemical adrenocortical insufficiency.

  • Morphine and related drugs also suppress the pituitary–gonadal axis.

  • After discontinuation of therapy with such drugs, adrenal function improves.

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M S Draman Department of Endocrinology, Royal College of Surgeons in Ireland, Connolly Hospital, Blanchardstown, Dublin 15

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H Thabit Department of Endocrinology, Royal College of Surgeons in Ireland, Connolly Hospital, Blanchardstown, Dublin 15

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T J Kiernan Department of Cardiology, University of Limerick, Limerick, Ireland

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J O'Neill Department of Endocrinology, Royal College of Surgeons in Ireland, Connolly Hospital, Blanchardstown, Dublin 15

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S Sreenan Department of Endocrinology, Royal College of Surgeons in Ireland, Connolly Hospital, Blanchardstown, Dublin 15

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J H McDermott Department of Endocrinology, Royal College of Surgeons in Ireland, Connolly Hospital, Blanchardstown, Dublin 15

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Summary

Silent myocardial ischaemia (SMI), defined as objective evidence of myocardial ischaemia in the absence of symptoms, has important clinical implications for the patient with coronary artery disease. We present a dramatic case of SMI in a diabetes patient who attended annual review clinic with ST elevation myocardial infarction. His troponin was normal on admission but raised to 10.7 ng/ml (normal <0.5) when repeated the next day. His angiogram showed diffused coronary artery disease. We here discuss the implications of silent ischaemia for the patient and for the physician caring for patients with diabetes.

Learning points

  • Silent myocardial ischaemia (SMI) is an important clinical entity.

  • SMI is common and occurs with increased frequency in patients with diabetes.

  • SMI is an independent predictor of mortality.

  • Recognition may lead to early intervention.

Open access