Omenn syndrome is
Omenn syndrome is an autosomal recessive form of severe combined immunodeficiency (SCID) characterized by erythroderma (skin redness), desquamation (peeling skin), alopecia (hair loss), chronic diarrhea, failure to thrive, lymphadenopathy (enlarged lymph nodes ), eosinophilia, hepatosplenomegaly , and elevated serum Ref Harrison20th edition pg 1278
Squamous cell carcinoma
Chronic mucocutaneous candidiasis
IgA deficiency
SCID
miscellaneous