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A Clinical Atlas of 101 Common Skin Diseases

Keratosis Pilaris/Lichen Spinulosus

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Keratotic spikes that emerge from dilated ostia of infundibula and are equidistant from one another.

A Clinical Atlas of 101 Common Skin Diseases

Lichen Nitidus

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A granulomatous inflammatory process characterized clinically by closely-set, tiny, hypopigmented papules that have a predilection for the trunk, dorsa of the hands and sides of the finger, and the penis of children and young adults especially.

A Clinical Atlas of 101 Common Skin Diseases

Lichen Planus

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An inflammatory process consisting usually of violaceous papules that have a polygonal outline and flat top, and that tends to favor flexural surfaces of skin and the buccal mucosa of the oral cavity.

A Clinical Atlas of 101 Common Skin Diseases

Lichen Striatus

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An inflammatory process that expresses itself as a cluster of closely-set smooth or scaly papules in linear array along the lines of Blaschko, and that usually resolves in months.

A Clinical Atlas of 101 Common Skin Diseases

Lichen Planus

An inflammatory process consisting usually of violaceous papules that have a polygonal outline and flat top, and that tends to favor flexural surfaces of skin and the buccal mucosa of the oral cavity. It sometimes affects follicles and nail units as…

A Clinical Atlas of 101 Common Skin Diseases

Lichen Nitidus

A granulomatous inflammatory process characterized clinically by closely-set, tiny, hypopigmented papules that have a predilection for the trunk, dorsa of the hands and sides of the finger, and the penis of children and young adults especially….

A Clinical Atlas of 101 Common Skin Diseases

Lichen Striatus

An inflammatory process that expresses itself as a cluster of closely-set smooth or scaly papules in linear array along the lines of Blaschko, and that usually resolves in months….

A Clinical Atlas of 101 Common Skin Diseases

Keratosis Pilaris/Lichen Spinulosus

…another. The term keratosis pilaris refers to the phenomenon when it presents itself without any distinct arrangement of individual lesions, whereas the designation lichen spinulosus is applied to the same lesions when they are arranged in a circle….

Therapeutic Strategies in Dermatology

Lichen Nitidus

…e pruritus induces patients to rub the skin intensely and to scratch furiously, the resultant factitious lesions being erythematous, often scaly, macules, patches, papules, and plaques that tend to become lichenified, eroded, ulcerated, and crusted….

Therapeutic Strategies in Dermatology

Lichen Planus

…e pruritus induces patients to rub the skin intensely and to scratch furiously, the resultant factitious lesions being erythematous, often scaly, macules, patches, papules, and plaques that tend to become lichenified, eroded, ulcerated, and crusted….

Therapeutic Strategies in Dermatology

Lichen Sclerosus et Atrophicus

…e pruritus induces patients to rub the skin intensely and to scratch furiously, the resultant factitious lesions being erythematous, often scaly, macules, patches, papules, and plaques that tend to become lichenified, eroded, ulcerated, and crusted….

Therapeutic Strategies in Dermatology

Lichen Planus: Key Points

Key Points Lichen planus (LP) is a pruritic eruption that may be self-limited or chronic, and may affect skin, mucosa (including the esophagus), and hair. The classic morphology of lichen planus is violaceous-to-purple, flat-topped polygonal papule…

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