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. 2021 Aug 10;38(8):775-778.
doi: 10.3760/cma.j.cn511374-20200612-00432.

[Clinical and genetic analysis of a child with Majeed syndrome]

[Article in Chinese]
Liwei Sun  1 , Pingli Zhang, Yang Song, Feng Liu, Qikun Huang
Affiliations

[Clinical and genetic analysis of a child with Majeed syndrome]

[Article in Chinese]
Liwei Sun et al. Zhonghua Yi Xue Yi Chuan Xue Za Zhi. .

Abstract

Objective: To explore the clinical feature, diagnosis and phenotype of Majeed syndrome.

Methods: Clinical manifestation, diagnostic process, imaging feature and genetic testing of an ethnic Han Chinese patient with Majeed syndrome were reviewed.

Results: The patient, a 3-year-9-month-old boy, had featured psychomotor retardation and developed bone pain from 8 month on. The child had tenderness of the lower limbs and presented with repeatedly joint swelling and pain accompanied by fever. Physical signs included limb muscle weakening, slightly decreased muscle tone, reduced muscle volume and positive Gower sign. High-throughput sequencing revealed that the child has carried compound heterozygous variants of the LPIN2 gene, including c.1966A>G and c.2534delG. MRI showed multiple lesions in bilateral knee joints and distal middle tibia presenting as patchy SPAIR high signals with unclear edge, in addition with edema of soft tissue surrounding the right distal femur.

Conclusion: Majeed syndrome is characterized by chronic and recurrent multifocal osteomyelitis, congenital dyserythropoietic anemia, and growth retardation. Surrounding muscle tissue of osteomyelitis may also be involved. The syndrome may also affect the central nervous system, resulting in delayed language and motor development. Discovery of multiple pathological variants of the LPIN2 gene suggested that the clinical phenotype of this syndrome may vary between patients to some extent.

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