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Rare disease
Fahr's disease: an incidental finding in a patient of tubercular meningitis
  1. Puneet Aggarwal1,
  2. Gunjan Kumar1,
  3. Nishanth Dev1,
  4. Shalabh Jain2
  1. 1Department Internal Medicine, PGIMER & Dr. Ram Manohar Lohia Hospital, New Delhi, India
  2. 2Department of Radiodiagnosis, Vardhman Mahavir Medical College & Safdarjung Hospital, New Delhi, India
  1. Correspondence to Dr Puneet Aggarwal, puneetaggarwal4u{at}gmail.com

Summary

Fahr's disease, also known as idiopathic basal ganglia calcification, is a rare clinical entity characterised by bilaterally symmetric calcification of the basal ganglia. Most of the patients present with extrapyramidal symptoms, but the natural history, progression and treatment still remain unknown. We report a case of tubercular meningitis diagnosed by a cerebrospinal fluid examination with incidental findings of an extensive basal ganglia calcification on CT. CT of sibling, done to evaluate an episode of seizure, revealed strikingly similar calcification. Both these calcifications were due to Fahr's disease. The patient was treated with antitubercular and antiepileptic drugs. The patient fully recovered clinically and currently is seizure-free on antiepileptic treatment.

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