Searchable abstracts of presentations at key conferences in endocrinology
Endocrine Abstracts (2013) 31 P118 | DOI: 10.1530/endoabs.31.P118

SFEBES2013 Poster Presentations Clinical practice/governance and case reports (79 abstracts)

Bilateral adrenal calcification caused by a previous Streptococus mitis septicaemia

Mohamed Ahmed , Probal Moulik & Andrew Macleod

The Royal Shrewsbury Hospital, Shrewsbury, UK.

This 23 years old man was noted incidentally to have bilateral adrenal calcification on CT scan of his abdomen for chronic abdominal pain. He had normal growth and milestones with no neonatal events. Aged 10 years he was admitted briefly to a high dependency unit with circulatory shock and hyperthermia, with isolation of Streptococcus mitis from blood culture. One year later he was noted to have bilateral adrenal calcification on abdominal XR, and a short Synacthen (250 μg) test was considered normal (baseline cortisol of 303 nmol/l rising to a peak of 543 nmol/l). Current investigations reveal normal adrenal function including a Short synacthen test; which revealed normal response with base line cortisol of 440 nmol/l rising to a peak of 620 nmol/l. Renin was 20 mU/l and ACTH was 25.0 ng/l.

This case illustrates bilateral adrenal calcification without enlargement of the glands, possibly after an episode of adrenal hemorrhage at the age of 10 years, presumably due to an episode of septicaemia caused by Streptococcus mitis.Normal adrenal function has been maintained for 13 years. Waterhouse–Friderichsen syndrome is classically due to meningococcal septicaemia,but may be precipitated by S. pneumoniae and β haemolytic streptococcus group A infection Hemorrhage is the most common cause of adrenal calcification. In 20% of the cases it can be bilateral, Most (90%) of the adrenal tissue must be destroyed for adrenal insufficiency.

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