Gross examination of the jejunal mucosal biopsy specimens has only a limited value, as out of 13 cases revealing normal morphology only 5 showed normal histology in psoriasis group while out of 7, only 4 cases revealed a, normalhistology in eryttwodetma group. Changes were observed more frequently in psoriasis@'than in erythrodenna.,In both the groups therFNx17.is@no relation between the histologic alterations and the age, or the duration of the illness., litpsis to a great extent mucosal changes are related to the extent of skin involvement No such relation could be established in cases of erythroderma. In the absence of clinical features suggestive of derangements of the gastrointestinal tract it istempting to pressume that the, ent Mpathy is secondary to the skin lesions.