Cardiac tuberculosis

Dr Dan J Bell and Dr Aditya Shetty et al.

Cardiac tuberculosis refers to the rare infection of the cardiac musculature with Mycobacterium tuberculosis.

Generally associated with and occurring as a complication of mediastinal and pulmonary tuberculosis.

Pericardial and myocardial involvement is known. Endocardial spread may occur from myocardium. Modes of spread to the myocardium are via lymphatics from mediastinal nodes, directly from the pericardium, or via a haematogenous route.

  • T1: nodular lesion which appear isointense to slightly hyperintense
  • T2: isointense
  • C+ Gd: mild heterogeneous enhancement

Patients generally respond well to antituberculous therapy. Clinical examination, known primary pulmonary infection and follow-up examinations will help confirm the diagnosis.

Imaging differential considerations include:

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Article information

rID: 27593
System: Cardiac
Section: Pathology
Tag: tb
Synonyms or Alternate Spellings:
  • Cardiac manifestations of tuberculosis

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