LeWitt et al reported consensus criteria for a flare in patients with hidradenitis suppurative (HS). Gaining consensus in hidradenitis suppurativa has proven to be a challenge. The autors are from multiple institutions in the United States and Europe.
Patient selection: hidradenitis suppurative (HS)
Criteria for flare of hidradenitis suppurativa - one or both of the following:
(1) new onset of clinical signs or symptoms (including appearance of a new lesion or reactivation at the site of a prior lesion)
(2) substantial worsening of clinical signs or symptoms with regards to existing lesions
Signs or symptoms include:
(1) pain
(2) draining
(3) subcutaneous abscess
Some suggested that the changes should be viewed as significant by the patient.
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