. Author manuscript; available in PMC: 2022 Feb 1.

Published in final edited form as: J Eur Acad Dermatol Venereol. 2020 Nov 22;35(2):546–553. doi: 10.1111/jdv.16979

Table 1.

Skin conditions based on the reference standard

Category	Subcategory	Diagnosis
Inflammatory (n = 225, 66.2%)	Dermatitis (n = 82, 36.4%)	Contact dermatitis^, Unspecific eczema^, Hand eczema^, Seborrheic dermatitis^, Atopic dermatitis^, Nummular eczema, Dyshidrotic eczema^, Cheilitis^, Chronic paronychia^, Erythema annulare centrifugum^, Lichen simplex chronicus^, Lichenoid dermatitis, Pseutotinea amiantacea. ^*
	Acne/rosacea (n = 78, 34,7%)	Acne^, Rosacea^, Hidradenitis suppurativa, Perioral dermatitis
	Autoimmune (n = 34, 15.1%)	Morphea^, Cutaneous lupus^, Bullous disease^, Vitiligo^, Poikiloderma^* (dermatomyositis), Lichen sclerosus, Amicrobial pustulosis of the folds, Complex aphthosis, Calcinosis cutis.
	Papulosquamous (n = 17, 7.6%)	Psoriasis^, Pityriasis rosea^, Lichen nitidus^, Pityriasis lichenoides chronica^.
	Others inflammatory (n = 14, 6.2%)	Urticaria^, Insect bite^, Exantema, Postinflammatory hypopigmentation, Postinflammatory hyperpigmentation^, Grover’s disease, Pernio Like Eruption, Sarcoidosis, Ulcers^.
Infectious (n = 52, 15.3%)	Viral (n = 22, 42.3%)	Warts^, Herpes zoster^, Viral rash^, Eczema herpeticum^, Molluscum contagiosum^, Condylomas^.
	Fungal (n = 21, 40.4%)	Tinea^, Onychomycosis^, Pityriasis Versicolor^, Balanitis, Angular cheilitis^, Candidal intertrigo.
	Bacterial (n = 8, 15,4%)	Ingrown nail^, Folliculitis^, Paronychia^, Furuncle^, Impetigo^*, Pyoderma.
	Parasitic (n = 1, 1.9%)	Demodicosis.
Neoplastic (n = 32, 9.4%)	Benign (n = 28, 87.5%)	Melanocytic nevus^, Seborrheic keratosis^, Actinic Keratosis^, Dermatofibroma^, Epidermal cyst^, Keloid^, Organoid nevus^, Inflamed nevus, Telangiectatic granuloma^, Targetoid Hemosiderotic Hemangioma, Milia^, Inverted follicular keratosis, Cutaneous horn^.
	Malignant (n = 4, 12,5%)	Basal cell carcinoma^, Bowen’s disease^.
Alopecias (n = 15, 4.4%)	Scarring (n = 8, 53.3%)	Lichen planus pilaris, Folliculitis decalvans, Non-specified.
	Non-scarring (n = 7, 46.7%)	Androgenetic alopecia^, Effluvium telogen, Alopecia Areata^.
Other (n = 16, 4.7%)		Striae distansae^, Scar^, Acne scar^, Burn^, Hematoma^, Erythema ab igne^, Galli-Galli disease, Portwine stain^*.

In-distribution diagnoses (explicitly included in algorithm training).