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Endocrinology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
Institute of Metabolism and System Research, University of Birmingham, Birmingham, UK
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Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
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Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
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Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
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Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
Department of Endocrinology and Diabetes, University Hospital of Wurzburg, Wurzburg, Germany
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Summary
The spectrum of endocrine-related complications of COVID-19 infection is expanding; one of the most concerning of which is adrenal haemorrhage due to the risk of catastrophic adrenal crisis. In this study, we present a case that highlights the challenging management of a large, indeterminate unilateral adrenal mass during pregnancy and draws attention to a rare yet probably underestimated complication of COVID-19. During hospitalization for severe COVID-19 pneumonia, a 26-year-old woman was incidentally found to have a 12.5 cm heterogeneous left adrenal mass. Soon after the discovery, she became pregnant and upon referral, she was in the seventh week of gestation, without clinical or biochemical features of hormonal excess. The uncertainty of the diagnosis and the risks of malignancy and surgical intervention were discussed with the patient, and a period of radiological surveillance was agreed upon. An MRI scan performed 3 months later showed a size reduction of the adrenal lesion to 7.9 cm, which was against malignancy. A Doppler ultrasound showed a non-vascular, well-defined round lesion consistent with an adrenal haematoma, likely a complication of the recent COVID-19 infection. The multidisciplinary team recommended further radiological follow-up. The patient then spontaneously had miscarriage at 12 weeks gestation. Subsequent radiological surveillance showed a further size reduction of the adrenal lesion to 5.5 cm. The patient conceived again during follow-up, and the repeated Doppler ultrasound showed stable appearances of the adrenal mass, and thus, it was agreed to continue radiological monitoring after delivery. The pregnancy was uneventful, and the patient delivered a healthy baby. An MRI scan performed after delivery showed a stable but persistent lesion consistent with a likely underlying adrenal lesion.
Learning points
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Unilateral adrenal haemorrhage can occur as a complication of COVID-19 and should be considered in the differential diagnosis of heterogeneous adrenal masses if there is a history of recent infection.
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Management of large indeterminate adrenal masses during pregnancy poses several challenges and should be led by an experienced multidisciplinary team.
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Underlying adrenal tumours may trigger non-traumatic haemorrhages, especially if exacerbated by stressful illness.
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Center for Diabetes and Endocrine Research, University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, USA
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Summary
Large-cell neuroendocrine carcinoma (LCNEC) is a rare neuroendocrine prostatic malignancy. It usually arises after androgen deprivation therapy (ADT), while de novo cases are even more infrequent, with only six cases described. The patient was a 78-year-old man with no history of ADT who presented with cervical lymphadenopathy. Diagnostic approaches included PET/CT, MRI, CT scans, ultrasonography, biopsies, and cytological and immunohistochemical evaluations. Results showed a poorly differentiated carcinoma in the thyroid gland accompanied by cervical lymph node enlargement. Thyroid surgery revealed LCNEC metastasis to the thyroid gland. Additional metastases were identified in both the adrenal glands. Despite appropriate treatment, the patient died of the disease. De novo LCNEC of the prostate is a rare, highly aggressive tumor with a poor prognosis. It is resistant to most therapeutic agents, has a high metastatic potential, and is usually diagnosed at an advanced stage. Further studies are required to characterize this tumor.
Learning points
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De novo LCNECs of the prostate gland can metastasize almost anywhere in the body, including the thyroid and adrenal glands.
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LCNECs of the prostate are usually associated with androgen-depriving therapy, but de novo cases are also notable and should be accounted for.
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Further studies are required to fully understand and treat LCNECs more effectively.
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Department of Dermatology, Mohammed VI Hospital, Faculty of Medicine and Pharmacy, Mohamed Ist University, Oujda, Morocco
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Laboratory of Epidemiology, Clinical Research and Public Health
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Summary
Cushing’s disease or pituitary adrenocorticotropic hormone (ACTH)-dependent Cushing’s syndrome is considered a rare condition. It is caused by hypersecretion of the ACTH by a pituitary adenoma that ultimately induces endogenous hypercortisolism by stimulating the adrenal glands. It is responsible for significant morbidity and mortality. The clinical signs and symptoms of hypercortisolism are usually common and non-specific including obesity, moon face, hypertension, hirsutism and facial plethora. The association between Cushing’s disease and calcinosis cutis which is defined as dystrophic calcium deposition in the skin and subcutaneous tissues is extremely rare. To the best of our knowledge, it has never been described previously in humans, probably like a symptom or complication of chronic and severe hypercortisolism. In this paper, we report a case of a 30-year-old female diagnosed with Cushing’s disease and presented bilateral leg’s calcinosis cutis complicated with ulceration. The evolution was favorable and the complete cicatrization was obtained 12 months following the suppression of systemic glucocorticoid excess.
Learning points
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Calcinosis cutis is common in autoimmune connective diseases. However, to our knowledge, it has never been reported in humans with Cushing’s disease.
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Given the rarity of this association, the diagnostic approach to calcinosis cutis must exclude the other etiologies.
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Calcinosis cutis is challenging to treat with no gold standard therapy. In our case, the use of the combination of colchicine and bisphosphonates does not significantly improve the patient’s outcomes. In fact, we suppose that without treating the endogenous hypercortisolism, the calcinosis cutis will not resolve.
Institute of Radiology, University of Padova, Padova, Italy
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Endocrine Disease Unit, University of Padova, Padova, Italy
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Nuclear Medicine Unit, University-Hospital of Padova, Padova, Italy
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Endocrine Disease Unit, University of Padova, Padova, Italy
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Summary
A 61-year-old man went to the Emergency Department with left upper abdominal quadrant pain and low-grade fever, as well as a loss of weight (3 kg in 6 weeks). A solid-cystic lesion in the left adrenal lodge was discovered by abdominal ultrasonography. A slight increase in the serum amylase with normal lipase was observed, but there were no signs or symptoms of pancreatitis. A contrast-enhanced CT revealed a tumor that was suspected of adrenocortical cancer. Therefore, he was referred to the endocrine unit. The hormonal evaluation revealed no signs of excessive or inadequate adrenal secretion. To characterize the mass, an MRI was performed; the lesion showed an inhomogeneous fluid collection with peripheral wall contrast-enhancement, as well as a minor 18-fluorodeoxyglucose uptake at PET/CT images. The risk of primary adrenal cancer was minimal after the multidisciplinary discussion. An acute necrotic collection after focal pancreatitis was suspected, according to the characteristics of imaging. Both CT-guided drainage of the necrotic accumulation and laboratory analysis of the aspirated fluid confirmed the diagnosis.
Learning points
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Different types of expansive processes can mimic adrenal incidentalomas.
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Necrotic collection after acute focal pancreatitis could be misdiagnosed as an adrenal mass, since its CT characteristics could be equivocal.
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MRI has stronger capacities than CT in differentiating complex lesions of the adrenal lodge.
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A multidisciplinary approach is fundamental in the management of patients with a newly discovered adrenal incidentaloma and equivocal/suspicious imaging features (low lipid content and size >4 cm).
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Summary
An adrenocorticotropic hormone (ACTH)-producing pheochromocytoma (PCC)/paraganglioma is the cause of ectopic Cushing’s syndrome (CS) in 5.2% of cases reported in the literature. We present a previously healthy 43-year-old woman admitted to our hospital with cushingoid features and hypertensive urgency (blood pressure = 200/120 mmHg). Her 24-h urinary free cortisol was >4270 nmol/day (reference range (RR) = 100–380 nmol/day) with a plasma ACTH of 91.5 pmol/L (RR: 2.0–11.5 pmol/L). Twenty-four-hour urinary metanephrines were increased by 30-fold. Whole-body CT demonstrated a 3.7-cm left adrenal mass with a normal-appearing right adrenal gland. Sellar MRI showed a 5-mm sellar lesion. MIBG scan revealed intense uptake only in the left adrenal mass. She was managed pre-operatively with ketoconazole and phenoxybenzamine and underwent an uneventful left laparoscopic adrenalectomy, which resulted in biochemical resolution of her hypercortisolemia and catecholamine excess. Histology demonstrated a PCC (Grading System for Adrenal Pheochromocytoma and Paraganglioma score 5) with positive ACTH staining by immunohistochemistry. A PCC gene panel showed no mutations and there has been no evidence of recurrence at 24 months. This case highlights the difficult nature of localizing the source of CS in the setting of a co-existing PCC and sellar mass.
Learning points
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An adrenocorticotropic hormone (ACTH)-producing pheochromocytoma (PCC) is an important item to be considered in all patients presenting with ectopic Cushing’s syndrome (CS).
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In exceptionally rare cases, patients with ectopic CS may present with multiple lesions, and a systematic approach considering all potential sources is crucial to avoid misdiagnosis.
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CS with a large adrenal mass but lacking contralateral adrenal atrophy should raise suspicion of an ACTH-dependent process.
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In patients with clinical suspicion of PCC, clinicians should be mindful of the use of steroids and beta-blockers without appropriate alpha blockade as they may precipitate an adrenergic crisis.
Department of Endocrinology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
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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
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Primary adrenal insufficiency can be misdiagnosed as other mimicking diseases, such as gastrointestinal illness, leading to diagnostic pitfalls.
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Adrenal insufficiency can be confirmed with significantly low morning plasma cortisol levels of <83 nmol/L without a dynamic short cosyntropin stimulation test.
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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.
Department of Medicine, Austin Health, The University of Melbourne, Heidelberg, Victoria, Australia
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Department of Medicine, Monash University, Victoria, Australia
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Department of Medicine, Austin Health, The University of Melbourne, Heidelberg, Victoria, Australia
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Summary
Primary aldosteronism is one of the most common (affecting up to 10%) yet treatable causes of hypertension in our community, notable due to an associated elevated risk of atrial fibrillation, stroke and myocardial infarction compared to essential hypertension. Guidelines have focussed on improving case detection due to significant underdiagnosis in the community. While our case experienced significant delay in diagnosis, we highlight a state of protracted, persistent post-operative hypoaldosteronism which manifested with severe hyponatraemia and hyperkalaemia, necessitating long-term mineralocorticoid replacement. We discuss whether pre-operative mineralocorticoid receptor antagonists to stimulate aldosterone secretion from the contralateral gland may have prevented this complication.
Learning points
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Hypoaldosteronism is an uncommon complication of adrenalectomy for primary aldosteronism, typically manifesting with hyperkalaemia and hyponatraemia. While most cases are transient, it may be persistent, necessitating ongoing mineralocorticoid replacement.
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Routine electrolyte monitoring is recommended post-adrenalectomy.
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Risk factors for hypoaldosteronism include age >50 years, duration of hypertension >10 years, pre-existing renal impairment and adrenal adenoma size >2 cm.
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Mineralocorticoid receptor antagonists may assist in the management of hypokalaemia and hypertension pre-operatively. However, it is unclear whether this reduces the risk of post-operative hypoaldosteronism.
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Summary
Systemic pseudohypoaldosteronism type 1 (PHA1) is a rare genetic syndrome of tissue unresponsiveness to aldosterone caused by mutations affecting the epithelial Na channel (ENaC). The classical presentation is life-threatening neonatal/infantile salt-losing crises that mimic congenital adrenal hyperplasia (CAH). Consistently, extra-renal manifestations, including respiratory symptoms that resemble cystic fibrosis, are well reported. Clinical diagnosis is made by the presence of hyponatremia, hyperkalemia, metabolic acidosis, respiratory symptoms, evidence of high renal and extra-renal salt loss in addition to high plasma renin and aldosterone levels. We herein report a novel manifestation of PHA1: episodic dyslipidemia in a 7-month-old Sudanese boy that occurred during the salt-losing crises. Whole exome sequencing of the patient revealed one homozygous missense variant c.1636G>A p.(Asp546Asn) in the SCNN1B gene, confirming our clinical and laboratory findings that were compatible with PHA1. This report aims to highlight the possible explanation of dyslipidemia in PHA1 and its expected consequences in the long term.
Learning points
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A child presenting with features that mimic salt-losing congenital adrenal hyperplasia (CAH) crises that do not respond to glucocorticoid and mineralocorticoid therapy should alert the pediatricians to the possibility of end-organ resistance to aldosterone.
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Pseudohypoaldosteronism type 1 (PHA1) can be diagnosed even in the absence of advanced laboratory investigations.
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To our knowledge, this is the first case of systemic PHA1 to have a documented episodic dyslipidemia (primarily as marked hypertriglyceridemia).