{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,17]],"date-time":"2025-10-17T00:01:49Z","timestamp":1760659309718,"version":"3.40.5"},"reference-count":12,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2020,11,20]],"date-time":"2020-11-20T00:00:00Z","timestamp":1605830400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Journal of Dermatology"],"published-print":{"date-parts":[[2021,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Colony\u2010stimulating factor 1 receptor (CSF1R) inhibitors represent a new class of immune\u2010modulatory drugs, mostly investigated in clinical trials in different malignant neoplasms. Four patients, diagnosed with recurrent or advanced malignant neoplasm and treated with a combination of anti\u2010programmed death ligand 1 and anti\u2010CSF1R monoclonal antibodies, developed an asymptomatic cutaneous eruption characterized by an ill\u2010defined pseudoedematous to waxy diffuse infiltration with a reticular cobblestone\u2010like pattern. Histopathological examination revealed diffuse mucin deposition involving the superficial and mid\u2010dermis with fragmented and scattered elastic fibers. The exact pathogenic mechanisms implicated in the development of mucin deposits in patients treated with CSF1R inhibitors remain to be elucidated. A reduced degradation and clearance of components of the extracellular matrix by macrophages secondary to CSF1 pathway inhibition may be hypothesized. Shredding and fragmentation of elastic fibers may be a result of the increased accumulation of mucopolysaccharides. This observation illustrates the new spectrum of skin\u2010related toxicities secondary to new targeting therapies. This may contribute to a better understanding of the underlying pathogenic mechanisms in skin diseases characterized by a persistent dermal glycosaminoglycan deposition.<\/jats:p>","DOI":"10.1111\/1346-8138.15662","type":"journal-article","created":{"date-parts":[[2020,11,20]],"date-time":"2020-11-20T22:41:45Z","timestamp":1605912105000},"page":"380-384","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Diffuse dermal mucinosis secondary to colony\u2010stimulating factor 1 receptor monoclonal antibody treatment: A novel and peculiar drug\u2010induced diffuse cutaneous mucinosis"],"prefix":"10.1111","volume":"48","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1856-0391","authenticated-orcid":false,"given":"Ferran","family":"Olmos\u2010Alpiste","sequence":"first","affiliation":[{"name":"Department of Dermatology Hospital del Mar \u2013 Parc de Salut Mar Barcelona 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