Solid tumorswith carcinomas of the genitourinary tract, breast, and gastrointestinal tract havebeen reported as well.5, , , -9 Drug-induced form of Sweet’ssyndrome is most commonly observed with granulocyte-colony stimulating factor,all-trans retinoic acid, trimethoprim-sulfamthoxazole, and azathioprine.5,8 The diagnostic criteriadescribed by Walker and Cohen in 1996 relies on a temporal relation betweenadministration of a specific medication and development of the specific symptoms aswell as relapse of the symptoms with re-administration and resolution withdiscontinuation.5, , -8. This evidence concerns the gene CSF3 and carcinoma.