Article Text

AB0986 Family mediterranean fever gene mutations: a poorly studied cause of intermittent hydrartrosis
  1. M Espinosa Malpartida1,
  2. C Barbadillo Mateos1,
  3. C Ramos Giraldez1,
  4. BJ Flores Robles1,
  5. E González Vioque2,
  6. C Merino Argumanez1,
  7. M Jimenez Palop1,
  8. J Sanz Sanz1,
  9. H Godoy Tundidor1,
  10. J Campos Esteban1,
  11. JL Andreu Sanchez1,
  12. LF Villa Alcazar1,
  13. J Mulero Mendoza1
  1. 1Rheumatology
  2. 2Biochemistry, Hospital Universitario Puerta de Hierro Majadahonda, Madrid, Spain


Background Familial Mediterranean Fever (FMF) is an inherited autoinflammatory disorder caused by mutations in the MEFV gene encoding pyrine, characterized by recurrent episodes of fever and serositis. Some patients with FMF present incomplete penetrance of the disease and may manifest only as intermittent arthritis.

Objectives Characterization of musculoskeletal clinical manifestations in patients with mutations of the MEFV gene in our hospital.

Methods We retrospectively reviewed clinical records of patients with mutations detected in the Family Mediterranean Fever MEFV gene in our hospital from January 1, 2008 to October 1, 2016. We collected parameters such as age at diagnosis, age of onset Of the symptoms, sex, affected joints, other extra-articular manifestations and type of MEFV gene mutation.

Results Seven patients with MEFV gene mutations were reviewed, all of them were women, ranging in age from 14 to 61 years old. Two of them had recurrent knee monoarthritis, one had a history of arthritis in the hands and erratic arthralgias, one had erratic arthralgias and two had no musculoskeletal manifestations. The 2 patients with intermittent hydrartrosis responded satisfactorily to colchicine, but not the other patients with other musculoskeletal manifestations.

Table 1

Conclusions Genetic testing of the common mutations of the MEFV gene should be considered in patients with recurrent episodes of monoarthritis without justifying cause (palindromic rheumatism, intermittent hydrartrosis, etc.)

Disclosure of Interest None declared

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