e/Matchbox sign

Information
has gloss	eng: Matchbox sign is a psychiatric symptom. Patients with delusional parasitosis often present at the doctors office with what MDs term the "matchbox sign", a medical sign characterized by the patient making collections of fibers and other foreign objects supposedly retrieved from the skin. The name refers to the fact that such collections can be stored in matchboxes or other similar small containers, which are then presented to the patients physician.
lexicalization	eng: Matchbox sign
instance of	c/Ailments of unknown etiology