Fahr syndrome

Case contributed by Eduardo Torres , 17 Mar 2019
Diagnosis certain
Changed by Henry Knipe, 13 Apr 2021

Updates to Case Attributes

Body was changed:

Blood tests

  • low calcium: 4.7 mg/dl (normal range 8.0-10.4 mg/dl)
  • high phosphate: 9.8 mg/dl (normal range 2.5-4.5 mg/ dl)
  • serum albumin: 4.2mg/dl
  • ionized calcium: 0.7 mmol/L
  • normal magnesium: 1.66 mg/dl (normal range 1.3-2.5 mg/dl)
  • low PTH: 2.3 pg/ml (normal range 15-68 pg/ml)
  • Vit D: 30/mg/dl

Treatment and followup

The patient was treated with propranolol, calcium and calcitriol, with complete remission of symptoms and gradual resolution of the alterations in serum electrolytes, no causes of secondary hypoparathyroidism were identified at workup,; the patient is currently undergoing through a genetic and immunological study protocol.

The features are therefore consistent with secondary Fahr syndrome

  • -<p><strong>Blood tests</strong></p><ul>
  • -<li>low calcium: 4.7 mg/dl (normal range 8.0-10.4 mg/dl)</li>
  • -<li>high phosphate: 9.8 mg/dl (normal range 2.5-4.5 mg/ dl)</li>
  • -<li>serum albumin: 4.2mg/dl</li>
  • -<li>ionized calcium: 0.7 mmol/L</li>
  • -<li>normal magnesium: 1.66 mg/dl (normal range 1.3-2.5 mg/dl)</li>
  • -<li>low PTH: 2.3 pg/ml (normal range 15-68 pg/ml)</li>
  • -<li>Vit D: 30/mg/dl</li>
  • -</ul><p><strong>Treatment and followup</strong></p><p>The patient was treated with propranolol, calcium and calcitriol, with complete remission of symptoms and gradual resolution of the alterations in serum electrolytes, no causes of secondary hypoparathyroidism were identified at workup, the patient is currently undergoing through a genetic and immunological study protocol.</p><p>The features are therefore consistent with <a href="/articles/fahr-syndrome-1">secondary Fahr syndrome</a>. </p>
  • +<p>The patient was treated with propranolol, calcium and calcitriol, with complete remission of symptoms and gradual resolution of the alterations in serum electrolytes, no causes of secondary hypoparathyroidism were identified at workup; the patient is undergoing a genetic and immunological study protocol. The features are consistent with <a href="/articles/fahr-syndrome-1">secondary Fahr syndrome</a>. </p>

Systems changed:

  • Paediatrics

Updates to Freetext Attributes

Description was added:

Blood tests

  • low calcium: 4.7 mg/dl (normal range 8.0-10.4 mg/dl)
  • high phosphate: 9.8 mg/dl (normal range 2.5-4.5 mg/ dl)
  • serum albumin: 4.2mg/dl
  • ionized calcium: 0.7 mmol/L
  • normal magnesium: 1.66 mg/dl (normal range 1.3-2.5 mg/dl)
  • low PTH: 2.3 pg/ml (normal range 15-68 pg/ml)
  • Vit D: 30/mg/dl

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