@entity2403 ( @entity2403 ) is a multisystemic @entity32 that occurs most often between the second and fourth decade of life. @entity1 have been reported during the first months of life and after 70 years. Our objective was to determine the clinical, paraclinical and genetic characteristics of @entity2403 in @entity1 aged < 20 and > 40 years. We conducted a comparative retrospective study including @entity1 with @entity2403 (Criteria of International Study Group on @entity2403 ). @entity1 were divided into two groups: those < 20 years (Group one) and those > 40 years (Group two). The clinical, paraclinical and genetic (HLA) characteristics were determined and compared in the two groups. The data were compiled and analyzed using SPSS 11.0.  Thirty totals of 430 @entity1 were included. Group one included 81 @entity1 (55 @entity1 and 26 @entity1 ). Group two included 68 @entity1 (45 @entity1 and 23 @entity1 ). Cutaneous involvement (88.9 versus 76.5%; P=0.043), @entity8528 (84 versus 64.5%; P=0.004) and vena cava @entity715 (11.11 vs 0%; P=0.004) were significantly more frequent in group one while joint involvements were more common in group two (57.4 versus 40.7%; P= 0.043). The frequency of @entity5406 as well as ocular, vascular and @entity16 was comparable between the two groups. Few studies in the literature have compared the clinical, paraclinical and genetic characteristics of @entity2403 , who had first symptom onset after 40 years of age. Late-onset @entity2403 , usually, affects both genders equally. According to present results, the frequency of severe organ involvement is equal regardless of age, except for vena cava @entity715 .

Comparison of clinical features of XXXX according to age in a Tunisian cohort.

@entity1 :: ('9606', 'Species') :: ['women', 'Patients', 'patients', 'men'] @entity32 :: ('MESH:D007249', 'Disease') :: ['inflammatory disease'] @entity8528 :: ('MESH:C563016', 'Disease') :: ['pseudofolliculitis'] @entity16 :: ('MESH:D009422', 'Disease') :: ['neurological disorders'] @entity715 :: ('MESH:D013927', 'Disease') :: ['thrombosis'] @entity2403 :: ('MESH:D001528', 'Disease') :: ['BD', "Behcet's disease"] @entity5406 :: ('MESH:D004893', 'Disease') :: ['erythema nodosum']
@entity2403 :: (MESH:D001528,Disease) :: ['behcet disease']
