Acne necrotica
Acquired generalized hypertrichosis (acquired hypertrichosis lanuginosa, hypertrichosis lanuginosa acquisita)
Acquired perforating dermatosis (acquired perforating collagenosis)
Acrokeratosis paraneoplastica of Bazex (acrokeratosis neoplastica, Bazex syndrome)
Acroosteolysis
Acute paronychia
Alopecia areata 
Alopecia neoplastica
Anagen effluvium
Androgenic alopecia (androgenetic alopecia)
Anhidrosis (hypohidrosis)
Anonychia
Apparent leukonychia
Beaus lines
Blue nails
Bromidrosis (apocrine bromhidrosis, fetid sweat, malodorous sweating, osmidrosis)
Bubble hair deformity
Central centrifugal cicatricial alopecia (follicular degeneration syndrome, pseudopelade of the central scalp)
Chevron nail (herringbone nail)
Chromhidrosis (colored sweat)
Chronic paronychia
Cicatricial alopecia
Clubbing (drumstick fingers, Hippocratic fingers, watch-glass nails)
Congenital onychodysplasia of the index fingers
Disseminate and recurrent infundibulofolliculitis
Erosive pustular dermatitis of the scalp (erosive pustular dermatosis of the scalp)
Erythromelanosis follicularis faciei et colli
Folliculitis decalvans
Folliculitis nares perforans
Fox–Fordyce disease
Frontal fibrosing alopecia
Generalized congenital hypertrichosis (congenital hypertrichosis lanuginosa)
Generalized hyperhidrosis
Graham-Little syndrome
Granulosis rubra nasi
Green nails
Gustatory hyperhidrosis
Hair casts (pseudonits)
Hair follicle nevus (vellus hamartoma)
Hairy palms and soles
Half and half nails (Lindsays nails)
Hangnail
Hapalonychia
Hematidrosis
Hirsutism
Hook nail
Hot comb alopecia
Hypertrichosis cubiti (hairy elbow syndrome)
Hypertrichosis simplex of the scalp
Intermittent hair–follicle dystrophy
Keratosis pilaris atrophicans
Kinking hair (acquired progressive kinking)
Koenens tumor (Koenens periungual fibroma, periungual fibroma)
Koilonychia (spoon nails)
Kyrle disease
Leukonychia (white nails)
Lichen planopilaris (acuminatus, follicular lichen planus, lichen planus follicularis, peripilaris)
Lichen planus of the nails
Lichen spinulosus (keratosis spinulosa)
Lipedematous alopecia (lipedematous scalp)
Localized acquired hypertrichosis
Localized congenital hypertrichosis
Longitudinal erythronychia
Longitudinal melanonychia
Loose anagen syndrome (loose anagen hair syndrome)
Lupus erythematosus
Madarosis
Malalignment of the nail plate
Male-pattern baldness
Marie–Unna hereditary hypotrichosis (Marie–Unna hypotrichosis)
Median nail dystrophy (dystrophia unguis mediana canaliformis, median canaliform dystrophy of Heller, solenonychia)
Mees lines
Melanonychia
Menkes kinky hair syndrome (kinky hair disease, Menkes disease)
Monilethrix (beaded hair)
Muehrckes nails (Muehrckes lines)
Nail–patella syndrome (Fong syndrome, hereditary osteoonychodysplasia, HOOD syndrome) 
Neoplasms of the nailbed
Nevoid hypertrichosis
Noncicatricial alopecia
Onychauxis
Onychoatrophy
Onychocryptosis (ingrown nail, unguis incarnatus)
Onychogryphosis (rams horn nails)
Onycholysis
Onychomadesis
Onychomatricoma
Onychophagia (nail biting)
Onychophosis
Onychoptosis defluvium (alopecia unguium)
Onychorrhexis (brittle nails)
Onychoschizia
Onychotillomania
Ophiasis
Palmoplantar hyperhidrosis (emotional hyperhidrosis)
Parakeratosis pustulosa
Patterned acquired hypertrichosis
Perforating folliculitis
Pili annulati (ringed hair)
Pili bifurcati
Pili multigemini
Pili pseudoannulati (pseudo pili annulati)
Pili torti (twisted hairs)
Pincer nails (omega nails, trumpet nails)
Pityriasis amiantacea (tinea amiantacea)
Platonychia
Plica neuropathica (felted hair)
Plummers nail
Premature greying of hair
Prepubertal hypertrichosis
Pressure alopecia (postoperative alopecia, pressure-induced alopecia)
Pseudofolliculitis barbae (barbers itch, folliculitis barbae traumatica, razor bumps, scarring pseudofolliculitis of the beard, shave bumps)
Pseudopelade of Brocq (alopecia cicatrisata)
Psoriatic nails
Pterygium inversum unguis (pterygium inversus unguis, ventral pterygium)
Pterygium unguis (dorsal pterygium)
Purpura of the nail bed
Racquet nail (brachyonychia, nail en raquette, racquet thumb)
Recurrent palmoplantar hidradenitis (idiopathic palmoplantar hidradenitis, idiopathic plantar hidradenitis, painful plantar erythema, palmoplantar eccrine hidradenitis, plantar panniculitis)
Red lunulae
Ross syndrome
Rubinstein–Taybi syndrome
Setleis syndrome
Shell nail syndrome
Short anagen syndrome
Splinter hemorrhage 
Spotted lunulae
Staining of the nail plate
Stippled nails
Subungual hematoma
Telogen effluvium
Terrys nails
Traction alopecia
Traumatic alopecia
Traumatic anserine folliculosis
Triangular alopecia (temporal alopecia, temporal triangular alopecia)
Trichomegaly
Trichomycosis axillaris
Trichorrhexis invaginata (bamboo hair)
Trichorrhexis nodosa
Trichostasis spinulosa
Tufted folliculitis
Tumor alopecia
Twenty-nail dystrophy (sandpapered nails, trachyonychia)
Uncombable hair syndrome (cheveux incoiffable, pili trianguli et canaliculi, spun-glass hair)
Wooly hair nevus (woolly hair nevus)
X-linked hypertrichosis

Conditions of the subcutaneous fat
Conditions of the subcutaneous fat are those affecting the layer of adipose tissue that lies between the dermis and underlying fascia.
Bacterium-related
Bacterium-related cutaneous conditions often have distinct morphologic characteristics that may be an indication of a generalized systemic process or simply an isolated superficial infection.