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Skin nontumor

Last staff update: 23 April 2025

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Related chapters: Skin-Melanocytic tumor, Skin-Nonmelanocytic tumor

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Table of contents
General:books common terms & patterns grossing histology histology-hair follicle (pending)
Spongiotic, psoriasiform and pustular reaction patterns:acrokeratosis paraneoplastica (Bazex syndrome) (pending) atopic dermatitis acute generalized exanthematous pustulosis allergic contact dermatitis balanitis circumscripta plasmacellularis (Zoon’s balanitis) inflammatory linear verrucous epidermal nevus (pending) lichen simplex chronicus nutritional deficiency pityriasis rosea pityriasis rubra pilaris prurigo pigmentosa (pending) psoriasis seborrheic dermatitis stasis dermatitis
Lichenoid and interface reaction patterns:acute cutaneous lupus erythematosus (pending) benign lichenoid keratosis (pending) chronic cutaneous lupus dermatomyositis erythema multiforme graft versus host disease hypertrophic lupus erythematosus (pending) interface dermatitis (pending) lichenoid drug reaction lichen nitidus lichen planus lichen sclerosus lichen striatus pityriasis lichenoides subacute cutaneous lupus erythematosus
Dermal perivascular and vasculopathic reaction patterns:actinic (solar) purpura (pending) arthropod bites atrophic papulosis cutaneous vasculitis dermal hypersensitivity reaction erythema annulare centrifugum erythema migrans erythema elevatum diutinum granuloma faciale gyrate erythema Jessner lymphocytic infiltration of skin large vessel cutaneous vasculitis (pending) livedoid vasculopathy medium vessel cutaneous vasculitis (pending) perniosis (pending) pigmented purpuric dermatosis polymorphous light eruption reticular erythematous mucinosis (pending) scurvy (pending) small vessel cutaneous vasculitis (pending) urticaria (hives)
Neutrophilic and eosinophilic dermatoses:abscess acute febrile neutrophilic dermatosis (Sweet syndrome) adult onset still disease (pending) Behçet disease eosinophilic cellulitis (Wells syndrome) eosinophilic dermatosis of hematologic malignancy (pending) neutrophilic dermatosis associated with gastrointestinal and hepatobiliary disease periodic fever syndromes (pending) pyoderma gangrenosum
Dermal granulomatous and necrobiotic reaction patterns:actinic granuloma foreign body reaction granuloma annulare lupus miliaris disseminatus faciei (acne agminata) necrobiosis lipoidica necrobiotic xanthogranuloma reactive granulomatous dermatitis reticulohistiocytic granuloma (solitary reticulohistiocytoma) rheumatoid nodule sarcoidosis xanthogranuloma xanthoma (pending)
Vesiculobullous and acantholytic reaction patterns:vesiculobullous and acantholytic reaction patterns-general bullous lupus erythematosus (pending) bullous pemphigoid cicatricial pemphigoid coma blister dermatitis herpetiformis epidermolysis bullosa epidermolysis bullosa acquisita erythema toxicum neonatorum familial benign chronic pemphigus (Hailey-Hailey disease) IgA pemphigus (pending) keratosis follicularis (Darier disease) linear IgA bullous dermatosis mechanical blister other porphyrias paraneoplastic pemphigus (pending) pemphigoid gestationis pemphigus pemphigus foliaceus (pending) pemphigus vegetans (pending) pemphigus vulgaris (pending) porphyria cutanea tarda Stevens-Johnson syndrome subcorneal pustular dermatosis transient acantholytic dermatosis
Dermal collagen and elastic tissue alterations and metabolic disorders:amyloidosis anetoderma atrophoderma (pending) calcinosis cutis chondrodermatitis nodularis helicis chronic radiation dermatitis colloid milium cutaneous manifestations of Waldenström macroglobulinaemia (pending) eosinophilic fasciitis fibroelastotic papulosis (pending) focal mucinosis gout lipoid proteinosis morphea and systemic sclerosis nephrogenic systemic fibrosis ochronosis oxalosis perforating dermatoses pretibial myxedema pseudoxanthoma elasticum scleredema scleromyxedema tattoo xanthoma
Other diseases of skin appendages:acne vulgaris disseminate and recurrent infundibulofolliculitis (pending) eosinophilic pustular folliculitis Fox-Fordyce disease (pending) hidradenitis suppurativa miliaria necrotizing infundibular crystalline folliculitis (pending) neutrophilic eccrine hidradenitis rosacea
Alopecia:acne keloidalis alopecia areata alopecia mucinosa androgenic alopecia central centrifugal cicatricial alopecia dissecting cellulitis fibrosing alopecia in a pattern distribution (pending) folliculitis decalvans lichen planopilaris nonscarring alopecia in systemic lupus erythematosus (pending) syphilitic alopecia (pending) telogen effluvium (pending) temporal triangular alopecia (pending) traction alopecia (pending) trichotillomania
Infectious disorders:actinomycosis algal infection-Prototheca anthrax bacillary angiomatosis botryomycosis candida carbuncle chromoblastomycosis coccidioidomycosis condyloma corynebacteria cryptococcus (pending) cysticercosis dermatophytes / tinea ecthyma (pending) ecthyma gangrenosum epidermodysplasia verruciformis Epstein-Barr virus (EBV) erysipelas erythrasma (pending) eumycetoma folliculitis gangrene Herpes simplex / zoster histoplasma capsulatum hyalohyphomycosis (aspergillosis and fusariosis) impetigo leishmaniasis leprosy lobomycosis (pending) maduramycosis malakoplakia Molluscum contagiosum mycetoma (pending) mycobacteria-atypical North American blastomycosis onychomycosis paracoccidiodes (pending) parvovirus B19 pox and parapox infections rhinoscleroma rhinosporidiosis scrub typhus sporotrichosis (pending) syphilis tinea nigra (pending) tinea versicolor trichosporon tuberculosis verruga peruana virus associated trichodysplasia spinulosa warts (verrucae) zygomycosis
Infestations:infestations-general body & pubic louse brown recluse spider cutaneous larva migrans demodex dirofilariasis myiasis onchocerciasis scabies (mite) tick bite Tunga penetrans
Panniculitis:alpha-1-antitrypsin deficiency panniculitis calciphylaxis encapsulated fat necrosis erythema induratum (pending) erythema nodosum lipodermatosclerosis lipodystrophy (pending) lupus panniculitis pancreatic panniculitis panniculitis subcutaneous fat necrosis of newborn Weber-Christian disease
Keratinization disorders:acanthosis nigricans confluent and reticulated papillomatosis (pending) epidermolytic hyperkeratosis granular parakeratosis ichthyosis
Pigmentary disorders:argyria erythema dyschromicum perstans hyperpigmentation incontinentia pigmenti (pending) linear and whorled nevoid hypermelanosis melasma postinflammatory pigment alterations (pending) vitiligo
Topic posted in other chapters:   amebiasis chancroid

Superpages: entire chapterimagesvirtual slides
Index (Alphabetical table of contents)
A-E:abscess acanthosis nigricans acne keloidalis acne vulgaris acrokeratosis paraneoplastica (Bazex syndrome) (pending) actinic (solar) purpura (pending) actinic granuloma actinomycosis acute cutaneous lupus erythematosus (pending) acute febrile neutrophilic dermatosis (Sweet syndrome) acute generalized exanthematous pustulosis adult onset still disease (pending) algal infection-Prototheca allergic contact dermatitis alopecia areata alopecia mucinosa alpha-1-antitrypsin deficiency panniculitis amyloidosis androgenic alopecia anetoderma anthrax argyria arthropod bites atopic dermatitis atrophic papulosis atrophoderma (pending) bacillary angiomatosis balanitis circumscripta plasmacellularis (Zoon’s balanitis) Behçet disease benign lichenoid keratosis (pending) body & pubic louse botryomycosis brown recluse spider bullous lupus erythematosus (pending) bullous pemphigoid calcinosis cutis calciphylaxis candida carbuncle central centrifugal cicatricial alopecia chondrodermatitis nodularis helicis chromoblastomycosis chronic cutaneous lupus chronic radiation dermatitis cicatricial pemphigoid coccidioidomycosis colloid milium coma blister common terms & patterns condyloma confluent and reticulated papillomatosis (pending) corynebacteria cryptococcus (pending) cutaneous larva migrans cutaneous manifestations of Waldenström macroglobulinaemia (pending) cutaneous vasculitis cysticercosis demodex dermal hypersensitivity reaction dermatitis herpetiformis dermatomyositis dermatophytes / tinea dirofilariasis dissecting cellulitis disseminate and recurrent infundibulofolliculitis (pending) ecthyma (pending) ecthyma gangrenosum encapsulated fat necrosis eosinophilic cellulitis (Wells syndrome) eosinophilic dermatosis of hematologic malignancy (pending) eosinophilic fasciitis eosinophilic pustular folliculitis epidermodysplasia verruciformis epidermolysis bullosa epidermolysis bullosa acquisita epidermolytic hyperkeratosis Epstein-Barr virus (EBV) erysipelas erythema annulare centrifugum erythema dyschromicum perstans erythema elevatum diutinum erythema induratum (pending) erythema migrans erythema multiforme erythema nodosum erythema toxicum neonatorum erythrasma (pending) eumycetoma
F-N:familial benign chronic pemphigus (Hailey-Hailey disease) fibroelastotic papulosis (pending) fibrosing alopecia in a pattern distribution (pending) focal mucinosis folliculitis folliculitis decalvans foreign body reaction Fox-Fordyce disease (pending) gangrene gout graft versus host disease granular parakeratosis granuloma annulare granuloma faciale grossing gyrate erythema Herpes simplex / zoster hidradenitis suppurativa histology histology-hair follicle (pending) histoplasma capsulatum hyalohyphomycosis (aspergillosis and fusariosis) hyperpigmentation hypertrophic lupus erythematosus (pending) ichthyosis IgA pemphigus (pending) impetigo incontinentia pigmenti (pending) infestations-general inflammatory linear verrucous epidermal nevus (pending) interface dermatitis (pending) Jessner lymphocytic infiltration of skin keratosis follicularis (Darier disease) large vessel cutaneous vasculitis (pending) leishmaniasis leprosy lichen nitidus lichen planopilaris lichen planus lichen sclerosus lichen simplex chronicus lichen striatus lichenoid drug reaction linear and whorled nevoid hypermelanosis linear IgA bullous dermatosis lipodermatosclerosis lipodystrophy (pending) lipoid proteinosis livedoid vasculopathy lobomycosis (pending) lupus miliaris disseminatus faciei (acne agminata) lupus panniculitis maduramycosis malakoplakia mechanical blister medium vessel cutaneous vasculitis (pending) melasma miliaria Molluscum contagiosum morphea and systemic sclerosis mycetoma (pending) mycobacteria-atypical myiasis necrobiosis lipoidica necrobiotic xanthogranuloma necrotizing infundibular crystalline folliculitis (pending) nephrogenic systemic fibrosis neutrophilic dermatosis associated with gastrointestinal and hepatobiliary disease neutrophilic eccrine hidradenitis nonscarring alopecia in systemic lupus erythematosus (pending) North American blastomycosis nutritional deficiency
O-Z:ochronosis onchocerciasis onychomycosis other porphyrias oxalosis pancreatic panniculitis panniculitis paracoccidiodes (pending) paraneoplastic pemphigus (pending) parvovirus B19 pemphigoid gestationis pemphigus pemphigus foliaceus (pending) pemphigus vegetans (pending) pemphigus vulgaris (pending) perforating dermatoses periodic fever syndromes (pending) perniosis (pending) pigmented purpuric dermatosis pityriasis lichenoides pityriasis rosea pityriasis rubra pilaris polymorphous light eruption porphyria cutanea tarda postinflammatory pigment alterations (pending) pox and parapox infections pretibial myxedema prurigo pigmentosa (pending) pseudoxanthoma elasticum psoriasis pyoderma gangrenosum reactive granulomatous dermatitis reticular erythematous mucinosis (pending) reticulohistiocytic granuloma (solitary reticulohistiocytoma) rheumatoid nodule rhinoscleroma rhinosporidiosis rosacea sarcoidosis scabies (mite) scleredema scleromyxedema scrub typhus scurvy (pending) seborrheic dermatitis small vessel cutaneous vasculitis (pending) sporotrichosis (pending) stasis dermatitis Stevens-Johnson syndrome subacute cutaneous lupus erythematosus subcorneal pustular dermatosis subcutaneous fat necrosis of newborn syphilis syphilitic alopecia (pending) tattoo telogen effluvium (pending) temporal triangular alopecia (pending) tick bite tinea nigra (pending) tinea versicolor traction alopecia (pending) transient acantholytic dermatosis trichosporon trichotillomania tuberculosis Tunga penetrans urticaria (hives) verruga peruana vesiculobullous and acantholytic reaction patterns-general virus associated trichodysplasia spinulosa vitiligo warts (verrucae) Weber-Christian disease xanthogranuloma xanthoma xanthoma (pending) zygomycosis
Skin nontumor books

Bhawan: 2022

Biswas: 2017

Bolognia: 2024

Busam: 2015

Calonje: 2019

Dadzie: 2016

Desman: 2016

Elder: 2020

Elder: 2022

Elston: 2018

Gardner: 2019

IARC: 2018

Johnston: 2023

Murrell: 2015

Norman: 2015

Patterson: 2020

Rapini: 2021

Subtil: 2019

Tetzlaff: 2021



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