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. 2020 Oct 5;14(10):e0008717. doi: 10.1371/journal.pntd.0008717

Table 2. Detailed clinical features of scabies on comprehensive examination by a dermatologist.

Clinical Features
IACS Classification A3: Dermatoscopy Confirmed 6 (13.3%)
B1: Presence of Burrows 15 (33.3%)
B2: Typical Genital Lesions 3 (6.7%)
B3: Typical Lesions in a Typical Distribution with 2 History Features 19 (42.2%)
C1: Typical Lesions in a Typical Distribution with 1 History Features 2 (4.4%)
Lesion Type Present Papule 44 (97.8%)
Burrow 21 (46.7%)
Nodule 12 (26.7%)
Vesicle 1 (2.2%)
Lesion Type Count (Median, IQR) Papule 115 (45–161)
Burrow 0 (0–3)
Nodule 0 (0–1)
Vesicle 0 (0–0)
Itch Personal History 45 (100%)
Household Contact 39 (86.7%)
Non-Household Contact 17 (37.8%)
Dermatoscopy Delta Wing & Wake Sign** 4 (8.7%)
Delta Wing Sign Only 2 (4.3%)
Wake Sign Only 13 (28.2%)

*All participants with dermatoscopic confirmation of scabies also had burrows.

** Delta Wing Sign: visualisation of the triangular-shaped dark anterior of the burrowing mite; Wake Sign: visualisation of the ‘V’ shaped scale that may form at the entrance of a burrow.