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Scientific article
Case report
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A case report of CT-diagnosed renal infarct secondary to syphilitic aortitis

Published inBMC Infectious Diseases, vol. 17, no. 1, 520
Publication date2017
Abstract

BACKGROUND: Even though reported cases of syphilis have been increasing, cases of tertiary syphilis remain extremely rare. The majority of our knowledge with regard to complications of syphilis such as aortitis was acquired before the advent of relatively modern technologies such as CT, MRI and PET. This case report presents a rare case of syphilitic aortitis associated with a renal infarct caused by a peripheral arterial embolism diagnosed by CT. CASE PRESENTATION: We present a young man with sudden abdominal pain and flank tenderness without fever. Blood tests showed acute kidney failure. Computed tomography showed a right renal infarct and a non-circular thickening of the descending thoracic aortic wall with intra-luminal thrombus. Serology confirmed the diagnosis of syphilis. Treatment with anticoagulant and penicillin resulted in a good outcome. Follow-up PET-MRI showed resolution of the thrombus with a metabolically inactive atheromatous plaque. CONCLUSION: Technologies, such as CT, PET-CT and PET-MRI, that were not present during the pre-antibiotic era, can provide new insights into rare presentations of tertiary syphilis such as aortitis. These imaging modalities show promise for early radiological diagnosis of aortitis in syphilis and may be useful for determining the response to treatment in specific cases.

Citation (ISO format)
SPALTENSTEIN, Maaike et al. A case report of CT-diagnosed renal infarct secondary to syphilitic aortitis. In: BMC Infectious Diseases, 2017, vol. 17, n° 1, p. 520. doi: 10.1186/s12879-017-2624-1
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ISSN of the journal1471-2334
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