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Papers of the Week

2019 Sep 26

Medicines (Basel)



Diagnostic Workup and Evaluation of Patients with Prurigo Nodularis.


Kwon CD, Khanna R, Williams KA, Kwatra MM, Kwatra SG
Medicines (Basel). 2019 Sep 26; 6(4).
PMID: 31561504.


Prurigo nodularis (PN) is a chronic inflammatory skin disease characterized oftentimes by symmetrically distributed, severely pruritic nodules. Currently, the pathophysiology of PN remains to be fully elucidated, but emerging evidence suggests that neuroimmune alterations play principal roles in the pathogenesis of PN. There are several associated etiologic factors thought to be associated with PN, including dermatoses, systemic, infectious, psychiatric, and neurologic conditions. We conducted a systematic literature review to evaluate the clinical presentation, diagnosis, and etiologic factors of PN. In this review, we discuss common differential diagnoses of PN and recommend an evidence-based, standardized diagnostic evaluation for those with suspected PN.