
Fixed drug eruption L27.1
Drug reaction fixe: multilocular FA with incipient epidermolysis on sharply defined plaques on the back of the hand and fingers.

Rhagade R23.4
Rhagade. 75-year-old patient with a hyperkeratotic ?fingertip eczema? that has been present for years. Deep, extremely painful oblong substance defects that occur repeatedly at the same sites. No clinical signs of a local infection.

Panaritium L03.1
Panaritium, which developed in an HIV-infected patient approximately 3 months after a previously successful antiretroviral therapy with the protease inhibitor indinavir.

Mixed connective tissue disease M35.10
Mixed connective tissue disease. hyperkeratoticnail folds with elongated capillaries and focal haemorrhages. Note the splatter-like scars on the back of the fingers as well as the expression of focal, now healed scarred, cutaneous vascular occlusions.

Fibrokeratome acquired digital D23.L
Fibrokeratome, acquired, digital. 7 years old, slightly size progressive, pressure dolent, growing out under the nail, approx. 0.5 cm diameter, red knot with horny surface in a 62 year old female patient.

Thrombangiitis obliterans I73.1
Thrombangiitis obliterans. 32-year-old patient with a nicotine abuse lasting for years and a patchy palmar erythema existing since 6 months as well as mummified fingertip necroses.

Acrodermatitis continua suppurativa L40.2
Acrodermatitis continua suppurativa: chronic, recurrent, sterile pustular disease of the acromion, which leads to atrophy and loss of nails if it occurs repeatedly and persists for a long time (see figure).

Squamous cell carcinoma of the skin C44.-
Squamous cell carcinoma of the skin: carcinoma of the nail bed, which was misjudged as a fungal disease of the toenail and whose infiltrating growth had led to an almost complete onychodystrophy.

Candida paronychia B37.23

Pyoderma L08.00
Pyoderma: recurrent pyoderma with weeping and encrusted erosions in a patient with atopic eczema

Dermatomyositis (overview) M33.-
dermatomyositis: reflected light microscopy. hyperkeratotic nail folds. pathologically enlarged and torqued capillaries. older bleeding into the nail fold.

Lupus erythematosus systemic M32.9
Lupus erythematosus systemic (late onset) characteristic "collagenosis hands" with persistent, acaral accentuated livid-red plaques, hypercratic nail fold and small hemorrhages. 83-year-old patient with known (since several years proven) systemic lupus erythematosus.

Calcinosis dystrophica localized L94.21
Calcinosis dystrophica with circumscribed whitish concrement deposits in systemic scleroderma.

Gouty tophi M10.0

Psoriasis (Übersicht) L40.-
Nail psoriasis: unspecific nail dystrophy (which is also found in this way in chronic hand dermatitis), caused by paronychial infestation of the thumbs.

Nontuberculous Mycobacterioses (overview) A31.9
Mycobacteriosis atypical: Findings after 3 months of antibiotic therapy.

Swimming pool granuloma A31.1
Mycobacterioses, atypical. 3 months old, developing from a red papule, firm, covered with whitish scales, free of scales at the edges, reddish-brown, completely painless nodule. culturally proven infection by M. marinum.

Fibrokeratome acquired digital D23.L
Fibrokeratoma, acquired digital. for about 3 years persistent, slightly progressive, subungual, hard, exophytic growing tumor on the left big toe of a 37-year-old female patient. The nail of the big toe is displaced upwards to a large extent. There is a secondary finding of nail dystrophy.

Granuloma anulare classic type L92.0
Granuloma anulare, a clinical picture that has existed for years with asymptomatic, skin-coloured papules and nodules over the finger joints.

Nontuberculous Mycobacterioses (overview) A31.9
Mycobacteriosis atypical: chronic verrucous, blurred, painless, scaly plaque. aquarium owner.