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Diagnosis and Treatment > Medication

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Takuya Higashitani Division of Endocrinology and Hypertension, Department of Cardiovascular and Internal Medicine, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa, Japan

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Shigehiro Karashima Division of Endocrinology and Hypertension, Department of Cardiovascular and Internal Medicine, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa, Japan

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Daisuke Aono Division of Endocrinology and Hypertension, Department of Cardiovascular and Internal Medicine, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa, Japan

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Seigoh Konishi Division of Endocrinology and Hypertension, Department of Cardiovascular and Internal Medicine, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa, Japan
Department of Internal Medicine, Keiju Medical Center, Nanao, Ishikawa, Japan

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Mitsuhiro Kometani Division of Endocrinology and Hypertension, Department of Cardiovascular and Internal Medicine, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa, Japan

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Rie Oka Division of Endocrinology and Hypertension, Department of Cardiovascular and Internal Medicine, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa, Japan

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Masashi Demura Department of Hygiene, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa, Japan

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Kenji Furukawa Health Care Center, Japan Advanced Institute of Science and Technology, Nomi, Ishikawa, Japan

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Yuto Yamazaki Department of Pathology, Tohoku University Hospital, Sendai, Miyagi, Japan

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Hironobu Sasano Department of Pathology, Tohoku University Hospital, Sendai, Miyagi, Japan

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Takashi Yoneda Division of Endocrinology and Hypertension, Department of Cardiovascular and Internal Medicine, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa, Japan
Department of Health Promotion and Medicine of the Future, Kanazawa University, Kanazawa, Ishikawa, Japan

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Yoshiyu Takeda Division of Endocrinology and Hypertension, Department of Cardiovascular and Internal Medicine, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa, Japan

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Summary

Renovascular hypertension (RVHT) is an important and potentially treatable form of resistant hypertension. Hypercortisolemia could also cause hypertension and diabetes mellitus. We experienced a case wherein adrenalectomy markedly improved blood pressure and plasma glucose levels in a patient with RVHT and low-level autonomous cortisol secretion. A 62-year-old Japanese man had been treated for hypertension and diabetes mellitus for 10 years. He was hospitalized because of a disturbance in consciousness. His blood pressure (BP) was 236/118 mmHg, pulse rate was 132 beats/min, and plasma glucose level was 712 mg/dL. Abdominal CT scanning revealed the presence of bilateral adrenal masses and left atrophic kidney. Abdominal magnetic resonance angiography demonstrated marked stenosis of the left main renal artery. The patient was subsequently diagnosed with atherosclerotic RVHT with left renal artery stenosis. His left adrenal lobular mass was over 40 mm and it was clinically suspected the potential for cortisol overproduction. Therefore, laparoscopic left nephrectomy and adrenalectomy were simultaneously performed, resulting in improved BP and glucose levels. Pathological studies revealed the presence of multiple cortisol-producing adrenal nodules and aldosterone-producing cell clusters in the adjacent left adrenal cortex. In the present case, the activated renin-angiotensin-aldosterone system and cortisol overproduction resulted in severe hypertension, which was managed with simultaneous unilateral nephrectomy and adrenalectomy.

Learning points:

  • Concomitant activation of the renin-angiotensin-aldosterone system and cortisol overproduction may contribute to the development of severe hypertension and lead to lethal cardiovascular complications.

  • Treatment with simultaneous unilateral nephrectomy and adrenalectomy markedly improves BP and blood glucose levels.

  • CYP11B2 immunohistochemistry staining revealed the existence of aldosterone-producing cell clusters (APCCs) in the adjacent non-nodular adrenal gland, suggesting that APCCs may contribute to aldosterone overproduction in patients with RVHT.

Taxonomy:
Clinical Overview, Gland/Organ, Adrenal, Topic, Adrenal, Hormone, Aldosterone, Cortisol, Renin, Condition/ Syndrome, Diabetes mellitus type 2, Hyperaldosteronism, Hyperosmolar hyperglycaemic state, Hypertension, Macronodular Adrenal Hyperplasia, Patient Demographics, Age, Adult, Gender, Male, Ethnicity, Asian - Japanese, Country of Treatment, Japan, Diagnosis and Treatment, Signs and Symptoms, Arteriosclerosis, Collapse, Dyslipidaemia, Hypercortisolaemia, Hypertension, Renal failure, Investigation, ACTH stimulation, Adrenal scintigraphy, Adrenal venous sampling, Aldosterone (blood), Angiography, Blood pressure, Cortisol, Creatinine, Creatinine (serum), CT scan, Dexamethasone suppression, Estimated glomerular filtration rate, Glucose (blood), Glucose (blood, fasting), Haematoxylin and eosin staining, Histopathology, HOMA, Immunohistochemistry, Insulin tolerance, MRI, PET scan, Renin plasma activity, Total cholesterol, Triglycerides, Urinalysis, Intervention, Adrenalectomy, Laparoscopic adrenalectomy, Medication, Alpha-blockers, Atorvastatin, Doxazosin, DPP4 inhibitors, Insulin, Insulin Aspart, Linagliptin, Meglitinides, Nifedipine, Repaglinide, Related Disciplines, Urology, Publication Details, Case Report Type, Novel treatment
DOI:
https://doi.org/10.1530/EDM-19-0163
Volume/Issue:
Volume 2020: Issue 1
Open access
Yasufumi Seki Departments of Endocrinology and Hypertension, Tokyo, Japan

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Satoshi Morimoto Departments of Endocrinology and Hypertension, Tokyo, Japan

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Naohiro Yoshida Departments of Endocrinology and Hypertension, Tokyo, Japan

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Kanako Bokuda Departments of Endocrinology and Hypertension, Tokyo, Japan

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Nobukazu Sasaki Departments of Endocrinology and Hypertension, Tokyo, Japan

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Midori Yatabe Departments of Endocrinology and Hypertension, Tokyo, Japan

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Junichi Yatabe Departments of Endocrinology and Hypertension, Tokyo, Japan

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Daisuke Watanabe Departments of Endocrinology and Hypertension, Tokyo, Japan

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Satoru Morita Departments of Diagnostic Imaging and Nuclear Medicine, Tokyo, Japan

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Keisuke Hata Departments of Urology, Kidney Center, Tokyo, Japan

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Tomoko Yamamoto Departments of Surgical Pathology, Tokyo Women’s Medical University, Tokyo, Japan

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Yoji Nagashima Departments of Surgical Pathology, Tokyo Women’s Medical University, Tokyo, Japan

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Atsuhiro Ichihara Departments of Endocrinology and Hypertension, Tokyo, Japan

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Summary

Primary aldosteronism (PA) is more common than expected. Aberrant adrenal expression of luteinizing hormone (LH) receptor in patients with PA has been reported; however, its physiological role on the development of PA is still unknown. Herein, we report two unique cases of PA in patients with untreated Klinefelter’s syndrome, characterized as increased serum LH, suggesting a possible contribution of the syndrome to PA development. Case 1 was a 39-year-old man with obesity and hypertension since his 20s. His plasma aldosterone concentration (PAC) and renin activity (PRA) were 220 pg/mL and 0.4 ng/mL/h, respectively. He was diagnosed as having bilateral PA by confirmatory tests and adrenal venous sampling (AVS). Klinefelter’s syndrome was suspected as he showed gynecomastia and small testes, and it was confirmed on the basis of a low serum total testosterone level (57.3 ng/dL), high serum LH level (50.9 mIU/mL), and chromosome analysis. Case 2 was a 28-year-old man who had untreated Klinefelter’s syndrome diagnosed in his childhood and a 2-year history of hypertension and hypokalemia. PAC and PRA were 247 pg/mL and 0.3 ng/mL/h, respectively. He was diagnosed as having a 10 mm-sized aldosterone-producing adenoma (APA) by AVS. In the APA, immunohistochemical analysis showed co-expression of LH receptor and CYP11B2. Our cases of untreated Klinefelter’s syndrome complicated with PA suggest that increased serum LH levels and adipose tissues, caused by primary hypogonadism, could contribute to PA development. The possible complication of PA in hypertensive patients with Klinefelter’s syndrome should be carefully considered.

Learning points:

  • The pathogenesis of primary aldosteronism is still unclear.

  • Expression of luteinizing hormone receptor has been reported in aldosterone-producing adenoma.

  • Serum luteinizing hormone, which is increased in patients with Klinefelter’s syndrome, might contribute to the development of primary aldosteronism.

Taxonomy:
Clinical Overview, Gland/Organ, Adrenal, Topic, Adrenal, Hormone, Aldosterone, Cortisol, FSH, LH, Testosterone, Condition/ Syndrome, Adrenocortical adenoma, Hyperaldosteronism, Hypertension, Hypogonadism, Hypokalaemia, Incidentaloma, Klinefelter syndrome, Patient Demographics, Age, Adult, Gender, Male, Ethnicity, Asian - Japanese, Country of Treatment, Japan, Diagnosis and Treatment, Signs and Symptoms, Gynaecomastia, Hypertension, Hypogonadism, Hypokalaemia, Obesity, Investigation, Adrenal venous sampling, Aldosterone (plasma), Aldosterone to renin ratio, Blood pressure, BMI, Chromosomal analysis, Cortisol (plasma), CT scan, Dexamethasone suppression, FSH, Haematoxylin and eosin staining, Immunohistochemistry, LH, Potassium, Renin plasma activity, Testosterone, Intervention, Laparoscopic adrenalectomy, Medication, Alpha-blockers, Amlodipine, Doxazosin, Eplerenone, Furosemide, Nifedipine, Testosterone enanthate esters, Publication Details, Case Report Type, Insight into disease pathogenesis or mechanism of therapy
DOI:
https://doi.org/10.1530/EDM-19-0126
Volume/Issue:
Volume 2019: Issue 1
Open access