Journal Basic Info

  • Impact Factor: 1.809**
  • H-Index: 6
  • ISSN: 2474-1655
  • DOI: 10.25107/2474-1655
**Impact Factor calculated based on Google Scholar Citations. Please contact us for any more details.

Major Scope

  •  Urology Cases
  •  Respiratory Medicine
  •  Family Medicine and Public Health
  •  Psychiatry and Mental Health
  •  Endocrinology
  •  Tuberculosis
  •  Genetics
  •  Cancer Clinic


Citation: Ann Clin Case Rep. 2023;8(1):2498.DOI: 10.25107/2474-1655.2498

Thiamine Responsive Megaloblastic Anemia Syndrome: A Novel Mutation and Review 2 of Turkish Patients

Yasemin E*

Department of Pediatrics, Hacettepe University, Turkey

*Correspondance to: Yasemin E 

 PDF  Full Text Case Report | Open Access


Thiamine responsive megaloblastic anemia is a rare autosomal recessive disorder with a classical triad of megaloblastic anemia, sensorineural hearing loss and diabetes mellitus. TRMA is caused by mutations in the SLC19A2 gene. A 22-month-old male with anemia, diabetes mellitus and hearing loss was referred to our center. Sequence analysis of the SLC19A2 gene identified a novel homozygous mutation c.1000G>C p. (Gly334Arg) in exon 3. Lipophilic thiamine therapy (150 mg/day) was initiated. After one month of treatment, we were able to stop insulin treatment. Macrocytic anemia also resolved during the follow-up. Our patient did not benefit from thiamine treatment in terms of hearing loss. There are 14 Turkish patients with a diagnosis of TRMA in literature. All of the Turkish patients were molecularly confirmed to have homozygous mutations in SLC19A2 gene except for one patient and in 11 of 13 patients (84%) there was consanguinity between parents indicating that autosomal recessive rare disorders are seen more commonly in Turkey. TRMA should be kept in mind when a patient present with one or more of the classical symptoms and complete blood count, fasting blood glucose and hearing tests must be a part of the evaluation in these patients. Lifelong use of oral thiamine is recommended in TRMA patients.


TRMA; Rogers’ syndrome; Thiamine; Anemia; SLC19A2

Cite the Article:

Yasemin E. Thiamine Responsive Megaloblastic Anemia Syndrome: A Novel Mutation and Review 2 of Turkish Patients. Ann Clin Case Rep. 2023; 8: 2498..

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