Metastatic tumours of the adrenal glands: a 30-year experience in a teaching hospital

Lam, K.-Y., and Lo, C.-Y. (2002) Metastatic tumours of the adrenal glands: a 30-year experience in a teaching hospital. Clinical Endocrinology, 56 (1). pp. 95-101.

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Objective: Adrenal metastases are frequently encountered during autopsy but uncommonly present clinically. The aim of this study was to evaluate the clinical and pathological impact of adrenal metastases in a large series of patients.

Patients: Four hundred and sixty-four patients (288 men, 176 women) with metastatic disease in the adrenal glands over a 30-year period were included in the study.

Measurements: The clinical records and pathological features were reviewed.

Results: The frequencies of adrenal metastases at autopsies, adrenalectomies and fine-needle aspiration biopsies were 3•1%, 7•5% and 33%, respectively. The lesions were often seen in elderly patients (mean age, 62, SD = 13 years). Many of the metastatic lesions in the adrenal gland occurred shortly after the detection of a primary tumour (mean latent period = 7 months). Four per cent of the adrenal lesions (n = 20) were symptomatic. The symptomatic adrenal lesions, as compared with asymptomatic ones, were bigger and seen in younger patients. Five patients presented with adrenal insufficiency (Addison's disease) and one had massive peritoneal haemorrhage because of metastatic carcinoma. Ninety per cent (n = 421) of the metastatic adrenal tumours were carcinomas and 56% of these were adenocarcinoma. Lung was the most common primary tumour site (35%), followed by the stomach (14%), the oesophagus (12%) and the liver/bile ducts (10%). The adrenal metastases were bilateral in approximately half of the patients (49%, n= 229). The mean diameter of the adrenal metastases was 2 cm (SD = 1•9 cm). The mean weight of the right adrenal gland harbouring the metastasis was 19 g, while that of the left 20 g. The median survival of the 20 patients with symptomatic adrenal lesions was 3 months (range, 0–75 months) after the detection of adrenal metastases. Patients with surgically removed adrenal metastases had slightly better survival rates than those without surgical resection.

Conclusions: A variety of tumours may give rise to adrenal metastases. They are often asymptomatic and detected as part of multiorgan metastases. Symptomatic cases, albeit rare, may occur. Long-term survival may be achieved in selected patients in whom an aggressive surgical approach may be adopted.

Item ID: 27276
Item Type: Article (Research - C1)
ISSN: 1365-2265
Keywords: metastases, tumour metastasis
Date Deposited: 29 May 2013 06:23
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111708 Health and Community Services @ 100%
SEO Codes: 93 EDUCATION AND TRAINING > 9399 Other Education and Training > 939999 Education and Training not elsewhere classified @ 100%
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