Clonality in the setting of Sweet's syndrome and pyoderma gangrenosum is not limited to underlying myeloproliferative disease.
Magro CM, Kiani B, Li J, Crowson AN. Clonality in the setting of Sweet's syndrome and pyoderma gangrenosum is not limited to underlying myeloproliferative disease. J Cutan Pathol. 2007 Jul; 34(7):526-34.