Erythema annulare centrifugum associated with chronic lymphocytic leukaemia

Erythema Annulare Centrifugum: Analysis of Associated Diseases and Clinical Outcomes according to Histopathologic Classification

“…Erythema annulare centrifugum (EAC), a chronic inflammatory skin disease with an unknown etiology, is considered a hypersensitivity reaction caused by cutaneous or systemic infection, malignant neoplasms, drugs, and various autoimmune diseases, among other factors 1 2 . Clinically, EAC presents as erythematous papules or plaques that enlarge by peripheral extension with central clearing, resulting in an annular or polycyclic appearance 1 3 .…”

Dermatological complications following initiation of lenalidomide in a patient with chronic lymphocytic leukaemia

“…Both Sweet's syndrome 1 and EAC 2,3 have been described independently in association with CLL but have never been described together, a coincidence which raises the question as to whether both were a side‐effect of Len therapy. A Naranjo adverse drug reaction probability score 4 of 4 suggests that these adverse events are ‘possibly’ related to Len.…”

Eritemas figurados

“…Entre los principales factores desencadenantes se postulan neoplasias como el cáncer de mama, el cáncer gástrico, las leucemias y los linfomas [10][11][12][13][14][15] , infecciones crónicas por molusco contagioso, Escherichia coli, virus de Epstein-Barr, dermatofitos, tuberculosis, áscaris, rickettsias y Candida [16][17][18][19][20][21][22][23] , fármacos como piroxicam, hidroclorotiazida, amitriptilina, sales de oro, hidroxicloroquina, espironolactona y cimetidina [24][25][26][27][28][29][30][31] , alimentos, trastornos autoinmunitarios, endocrinopatías, discrasias sanguíneas, embarazo y causas hormonales como la menstruación, aunque en muchos casos no se logra encontrar el factor causal 3,4,32 . Otras entidades que se han visto relacionadas son: enfermedad de Graves-Basedow, sarcoidosis, enfermedades ampollosas, trastornos hepáticos, cirugías y estrés [33][34][35][36][37][38][39][40][41] .…”