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Novel manifestations of Farber disease mimicking neuronopathic Gaucher disease
  1. Shweta Mhatre1,
  2. Mamta Muranjan1,
  3. Sunil Karande1 and
  4. Harish Balaji2
  1. 1Pediatrics, King Edward Memorial Hospital and Seth Gordhandas Sunderdas Medical College, Mumbai, Maharashtra, India
  2. 2Dermatology, King Edward Memorial Hospital and Seth Gordhandas Sunderdas Medical College, Mumbai, Maharashtra, India
  1. Correspondence to Professor Mamta Muranjan; muranjanmamta{at}gmail.com

Abstract

Diagnosis of rare disorders requires heightened clinical acumen. When such disorders present with atypical or novel features, it adds to the diagnostic challenge. A 9-month-old female infant who had received a diagnosis of neonatal hepatitis due to cytomegalovirus infection at 2 months of age presented to our institute with developmental delay, fever, vomiting, feeding difficulty, breathlessness and features of elevated intracranial pressure due to hydrocephalus. Key examination findings with cholestatic jaundice as an early manifestation led to suspicion of type 4 Farber disease. Observation of hydrocephalus, hypertension, bilateral pinguecula and Erlenmeyer flask deformity of the femur were unusual findings for Farber disease. The child had few features (pinguecula, Erlenmeyer flask deformity and hydrocephalus) overlapping with Gaucher disease. Alternatively, prosaposin deficiency (Farber disease type 7) was another differential diagnosis. Diagnosis of Farber disease was confirmed by detection of foamy macrophages on skin biopsy and two homozygous missense variants in ASAH1 gene.

  • genetics
  • hydrocephalus
  • ophthalmology
  • bilirubin disorders
  • hypertension

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Footnotes

  • Contributors MM, SM and SK were involved in clinical management of the patient. MM and SM reviewed literature and wrote the manuscript. SK critically reviewed the manuscript. HB performed and interpreted the skin biopsy. All authors have read and approved the final version of the manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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