Atlas of dermatopathology

Introduction

Using this atlas

Conditions of using this atlas

Technical notes

Hardware

Software

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What will you need to use the atlas

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Some other Internet resources concerning dermatopathology and pathology

Literature

The literature used to prepare this atlas

Publications concerning the atlas

Support

Support

Skin biopsy

Examples of special stainings

Polarization

Immunofluorescence

Direct Immunofluorescence

Pemphigus vulgaris and its variants (immunofluorescence)

Bullous pemphigoid (immunofluorescence)

Pemphigoid (herpes) gestationis (immunofluorescence)

Dermatitis herpetiformis Duhring (immunofluorescence)

Lupus erythematosus (SLE, CDE a SCLE); (immunofluorescence)

Sharp's syndrome

Lichen ruber planus (immunofluorescence)

Vasculitis, immunocomplex type (immunofluorescence)

Porphyria cutanea tarda (PCT) and hepatopathies (immunofluorescence)

Indirect immunofluorescence

Antinuclear antibodies (ANA)

Endomysial antibodies

Antibodies aganist neutrophilic cytoplasm (ANCA)

Non-tumorous skin diseases

Diseases of the Epidermis

Ichthyosis

Ichthyosis vulgaris

Ichthyosis lamellaris

X-linked ichthyosis

Epidermolytic hyperkeratosis

Ichthyosis acquisita

Keratosis palmoplantaris, palmoplantar keratoderma

Ectodermal dysplasia

Psoriasis

Psoriatic erytroderma

Palmoplantar psoriasis and palmoplantar pustulosis

Generalized pustular psoriasis of Zumbusch

Lingua geographica

Psoriatiform keratosis

Infantile acropustulosis

Darier's disease

Porokeratosis

Acrokeratoelastoidosis

Pityriasis rubra pilaris

Glucagonoma syndrome

Acrodermatitis enteropathica

Blistering diseases

Classification

Impetigo

Staphylococcal scalded skin syndrome

Subcorneal pustular dermatosis of Sneddon-Wilkinson

Peeling skin syndrome

Acute generalized exanthematous pustulosis (AGEP)

Pemphigus vulgaris

Pemphigus vegetans

Neonatal pemphigus

Pemphigus erythematosus Senear-Usher

Pemphigus foliaceus

Paraneoplastic pemphigus

IgA pemphigus

Hailey-Hailey (Familial benign pemphigus)

Transient acantholytic dermatosis (of Grover)

Herpes zoster, varicella, Herpes simplex

Herpes simplex

Eczema herpeticatum Kaposi Juliusberg

Herpes zoster, varicella

Bullous pemphigoid

Cicatricial pemphigoid

Pemphigoid (herpes) gestationis

Porphyria cutanea tarda

Pseudoporphyria

Bulla in diabetes

Dermatitis herpetiformis Duhring

IgA linear dermatosis

Erythema multiforme

Toxic epidermal necrolysis of Lyell

Stevens-Johnson syndrome

Graft versus host reaction

Epidermolysis bullosa

Epidermolysis bullosa dystrophica

Epidermolysis bullosa acquisita

Artifical clefts in basaliomas

Allergic contact dermatitis, acute

Dyshidrotic dermatitis

Eczema atopicum (dermatitis atopica)

Subacute and chronic (eczem) dermatitis

Microbial eczema

Granuloma gluteale infantum

Toxic contact (irritative) dermatitis, acute

Toxic contact (irritative) dermatitis, chronic

Seborrhoic dermatitis

Pityriasis amiantacea

Changes caused by rubbing, scratching and pressure

Lichen simplex

Strophulus

Prurigo gestationis

Prurigo nodularis

Prurigo senilis

Atopic dermatitis

Picker's nodule

Excoriation

Chronic pressure (hip)

Amputation stump

Granuloma fissuratum

Pressure necrosis

Tyloma, callus

Clavus

Morsicatio buccarum

Perivascular infiltration of upper dermis

Pityriasis lichenoides Mucha Habermann

Pityriasis lichenoides acuta

Pityriasis lichenoides chronica

Pityriasis rosea Gibert

Diffuse infiltration infiltration of the upper dermis

Lichen ruber planus

Lichen verrucosus (hypertrophicus)

Lichen ruber, vesicular

Lichen planopilaris

Lichen planus like keratosis (benign lichenoid keratosis)

Lichenoid drug reaction

Lichen nitidus

Lichen striatus

Erythema dyschromicum perstans

Poikiloderma Rothmund Thomson

Poikiloderma vasculare atrophicans

Infiltration of the upper and deep corium

Erythema annulare centrifugum (erythema figuratum)

Erythema gyratum repens

Lymphocytic infiltrate of Jessner-Kanof

Urticaria

Pruritic urticarial papules and plaques of pregnancy (PUPPP)

Well's syndrome

Hypereosinophilic syndrome

Granuloma faciale (eosinophilicum)

Erythema elevatum diutinum

Sweet's syndrome

Behcet's disease

Pyoderma gangrenosum

Granulomatous processes of deeper corium

Granuloma annulare

Granuloma annulare, deep

Granuloma multiforme

Annular elastolytic granuloma

Necrobiosis lipoidica

Granulomatosis disciformis Miescher

Rheumatoid nodule

Chondrodermatitis nodularis chronica helicis

Polychondritis recurrens

Sarcoidosis

Erythema induratum Bazin

Foreign body granulomas

Silicone granuloma

Cat scratch disease

Cheilitis granulomatosa Miescher Melkerson Rosenthal

Intersticial granulomatous dermatitis

Crohn's disease, skin changes

Connective tissue disorders

Lupus erythematosus

Lupus erythematodes, acute

Acute neonatal lupus erythematodes

Lupus erythematodes, subacute

Lupus erythematodes, chronic

Lupus erythematodes profundus

Dermatomyositis

Osteoarthritis, Heberden nodes

Scleroderma, morphea

Diffuse scleroderma

Localized scleroderma, morphea

Lichen sclerosus et atrophicus

Pachydermoperiostosis

Eosinophilic fasciitis

Fibromatosis

Infantile digital fibromatosis (inclusion body fibromatosis)

Intravascular fasciitis

Desmoid type fibromatosis, desmoid

Striae distensae

Skin graft

Perforating collagenosis

Disorders of elastic fibres

Anetoderma

Mid dermal elastolysis

Actinic degeneration of the corium

Pseudoxanthoma elasticum

Focal linear elastosis

Elastosis perforans serpiginosa

Vasculitides

Leukocytoclastic vasculitis

Other vasculitides

Polyarteritis nodosa

Eosinophilic vasculitis

Churg Strauss syndrome

Wegener's granulomatosis

Thrombangiitis obliterans (Bürger)

Livedo vasculitis

Disseminated intravascular coagulopathy (DIC)

Giant cell arteritis of Horton (temporal)

Purpura

Thrombotic thrombocytopenic purpura of Moschowitz

Urticarial vasculitis

Vasculitis and mycotic sepsis

Chronic venous insufficiency

Venous varices

Ulcus cruris

Superficial thrombosis

Superficial thrombophlebitis

Cutis marmorata, livedo reticularis, livedo racemosa

Cryoglobulinemia

Cryoglobulinemia in monoclonal gamapathy

Mixed cryoglobulinemia

Acrocyanosis

Malignant atrophic papulosis of Degos

Lymphedema

Lymphangitis

Acute lymphangitis

Sclerosing lymphangitis of the penis

Panniculitis

Erythema nodosum

Panniculitis arteficialis (factitial)

Calcifying panniculitis

Panniculitis caused by cold

Eosinophilic panniculitis

Lipomembranous panniculitis

Traumatic panniculitis

Panniculitis caused by steroids

Pancreatic panniculitis

Other panniculitides

Deposition of foreign material in the dermis

Amyloidosis

Systemic (secondary) amyloidosis

Mucinoses

Generalized myxedema in hypothyreosis

Pretibial myxedema

Reticular erythematous mucinosis

Papular mucinosis

Scleredema

Scleromyxedema

Myxoma

Digital myxoid cyst

Calcium deposits

Chronic dermatomyositis

Subepidermal calcifying nodule

Calcinosis scroti

Tumoriform calcinosis

Calciphylaxis

Dystrofic dermal calcifications

Osteoma cutis

Progressive osseous heteroplasia

Gout, arthritis uratica

Hemosiderin

Tatoo

Amalgam tatoo

Argyrosis

Titanium pigmentation

Deposits of corticosteroids in the dermis

Ochronosis

Colloid milium

Subcutaneous emphysema

Tumorous infiltration of the corium

Urticaria pigmentosa

Histiocytosis X

Metastatic infiltration of the dermis

Paget's carcinoma of the breast

Extramammary Paget's disease

Epidermal spread of colonic adenocarcinoma

Bacterial, mycotic and parazitic diseases; viruses

Bacterial inflammations with suppuration, pyodermia

Erosive pustulosis of the head

Erysipelas

Sepsis (bacterial)

Erysipeloid

Ecthyma

Orf

Angulus infectiosus

Aphta

Phlegmone, gangrene

Erythrasma

Pitted keratolysis

Borreliosis

Erythema chronicum migrans

Borreliosis (acrodermatitis chronica atrophicans)

Adnate listeriosis

Nail infection caused by Pseudomonas

Mycobacteria, actinomycetes

Tuberculosis cutis

Scrophuloderma

Lupus vulgaris

Reaction to BCG vaccination or sensitivity tests

Papulonecrotic tuberculid

Diseases caused by atypical mycobacteria

Leprosy

Actinomycosis

Madura foot

Rhinoscleroma

Francisella tularensis, tularemie

Mycotic diseases

Superficial tinea

Candidosis

Tinea nigra

Dermatophyton

Follicular mycosis

Deep mycotic processes

Cryptococcosis

Sporotrichosis

Onychomycosis

Paronychia candidomycetica

Diseases caused by parasites

Leishmaniasis

Demodicosis

Scabies

Larva migrans

Myiasis

Tungiasis

Pediculosis capitis

Pediculosis pubis

Pediculosis corporis

Cheyletielosis

Insect bite reaction

Tick

Trombicula autumnalis, Harvest mite

Injuries caused by animals

Bat bite reaction

Injury by stingray

Hand, foot and mouth disease

Gianotti Crosti syndrome

Diseases of hair follicles

Acne vulgaris

Rosacea

Dermatitis perioralis

Lupus miliaris disseminatus faciei

Alopecia

Alopecia areata

Diffuse alopecia

Defluvium

Pseudopelade of Brocq

Alopecia in lupus erythematodes

Follicular mucinosis (alopecia mucinosa)

Primary follicular mucinosis

Secondary follicular mucinosis in mycosis fungoides

Alopecia androgenica

Trichotillomania

Tration alopecia

Other diseases of hair follicles

Purulent folliculitis

Folliculitis keloidalis nuchae

Folliculitis decalvans, folliculitis abscedens et suffodiens, tufted hair folliculitis

Ostiofolliculitis (superficial folliculitis)

Perforating folliculitis

Eosinophilic pustular folliculitis, eosinophilic pustulosis

Eosinophilic pustulosis Ofuji

Keratosis pilaris

Lichen spinulosus

Trichostasis spinulosa

Ulerythema ophryogenes

Pili recurvati

Tufted hair

Plica polonica

Cutis verticis gyrata

Fox-Fordyce syndrome

Diseases of the nails

Posttraumatic onycholysis

Psoriatic onycholysis

Onychoschisis

Onychogryphosis

Onychophagia

Pterygium unguis

Unguis incarnatus

Foveolae unguis

Leuconychia striata

Melanonychia striata

Syndrome Laugier Hunziker

Twenty nail dystrophy

Disorders of the sweat glands

Hidradenitis axillaris (suppurativa)

Eccrine hidradenitis with neutrophils

Eccrine hidradenitis with neutrophils after chemotherapy

Miliaria

Necroses of eccrine sweat glands

Myoclonic epilepsy

Clear cell metaplasia of eccrine ducts

Syringomucinous metaplasia

Mucinous metaplasia

Sweat gland hyperplasia

Exogenic alterations of the skin

Scar

Cauterisatio

Combustio (burns)

Congelatio (frostbite)

Livedo e calore, erythema ab igne

Dermatitis artefacta

Arteficial dermatitis, caused by spray

Haematoma

Radiodermatitis

Radiodermatitis acute

Radiodermatitis, chronic

Phototoxic and photoallergic reactions

Berloque dermatitis

Syndrome Favre-Racouchot

Actinic damage of the skin

Metabolic and nutrition problems

Pellagra

Rachitis, avitaminosis D

Scorbut, avitaminosis C

Drug reactions

Lichenoid drug eruptions

Eczematoid drug reaction

Drug reaction, multiform type

Fixed drug reaction

Toxoallergic reaction

Vesicular drug reaction

Pustular drug reaction

Folliculitis caused by EGFR inhibitors therapy

Antagonists of TNF-α therapy

Therapy by tyrosinkinase inhibitors

Necrotising drug reaction

Other drug reactions

Coumarin necrosis, coumarin caused bleeding

Striae after prolonged therapy by corticosteroids

Organoid nevi and malformations of the skin

Nevus sebaceus (Jadassohn)

Epidermal nevus

Ichthyosis hystrix (widespread linear epidermal nevus)

Inflammatory linear verrucous epidermal nevus (ILVEN)

Nevus comedonicus

Familial dyskeratotic comedones

White sponge nevus of oral mucosa

Nevus lipomatosus

Nevus collagenicus

Fibrous hamartoma of infancy

Aplasia cutis congenita

Disorders of melanin pigmentation

Vitiligo

Hypomelanosis guttata

Pityriasis alba

Albinism

Melasma, chloasma

Ephelides, freckles

Melanocytic macule of the lip or genital

Dowling-Degos disease

Notalgia paresthetica

Melanodermatitis toxica, melanosis Riehl

Incontinentia pigmenti

Nevus achromicus

Other lesions

Fistula, sinus tract

Skin tumors

Diagnostic key to the most common epitelial skin tumors

Benign epidermal tumors

Seborrhoic keratosis

Melanoacanthoma

Dermatosis papulosa nigra

Lentigo solaris

Ink-spot lentigo

PUVA lentigo

Melanosis of Becker (Becker's nevus)

Stucco keratosis

Acrokeratosis verruciformis Hopf

Hyperkeratosis lenticularis perstans of Flegel

Confluent and reticulated papillomatosis

Acanthosis nigricans

Keratotic processes

Multiple minute digitate keratoses

Postirradiation hyperkeratoses

Minute aggregate keratoses

Waxy dermatosis

Warty dyskeratoma (solitary Darier's disease)

Acantholytic acanthoma

Verrucous affections caused by papillomavirus (HPV)

Verruca vulgaris

Verruca filiformis

Verruca plantaris

Verruca plana

Epidermodysplasia verruciformis

Condyloma acuminatum

Focal epithelial hyperplasia Heck, multifocal papillomavirus epithelial hyperplasia (MPVEH)

Hirsutes papillares

Bowenoid papulosis of the genitalia

Inverted follicular keratosis

Molluscum contagiosum

Arsenical keratosis

Large cell acanthoma

Epidermolytic acanthoma

Knuckle pads

Keratoacanthoma

Pale cell acanthoma

Pale cell papulosis

Pseudoepitheliomatous hyperplasia

Follicular induction

Sebaceous induction

Malignant epidermal tumors

Solar keratosis

Actinic cheilitis

Bowen's intraepidermal carcinoma

Bowen's disease, pagetoid

Queyrat's disease

Vulval intraepithelial neoplasia (VIN III.)

Dysplasia/in situ carcinoma from basaloid cells

Cornu cutaneum

Trichilemmal cornu cutaneum

Basalioma

Metatypic carcinoma (spinobasocellular)

Squamous cell carcinoma

Verrucous carcinoma

Giant condylomata of Buschke-Loewenstein

Basaloid, cloacogenic carcinoma

Lymphoepithelioma-like carcinoma of the skin

Adnexal tumors

Tumors of the hair follicle

Hair follicle nevus

Aberrant follicle

Trichofolliculoma

Trichoadenoma

Dilated pore of Winer

Pilar sheath acanthoma

Trichoepithelioma, superficial trichoblastoma

Trichoblastoma

Desmoplastic trichoepithelioma

Tricholemmoma

Desmoplastic tricholemmoma

Trichomatricoma (pilomatrixoma)

Trichomatrical carcinoma

Folliculosebaceous hamartoma

Tumor of the follicular infundibulum

Trichodiscoma

Perifollicular fibroma

Tumors of the sweat glands

Axillar heterotopia of mammary glands

Eccrine nevus

Apocrine nevus (hyperplasia)

Eccrine angiomatous hamartoma

Cylindroma

Spiradenoma

Nodular hidradenoma

Cystic nodular hidradenoma

Apocrine hidradenocarcinoma

Syringoma

Papillary eccrine adenoma

Apocrine nevus

Mammary gland anal polyp

Chondroid syringoma

Syringocystadenoma papilliferum

Hidradenoma papilliferum

Tubular apocrine adenoma

Adenoma of the nipple

Poroma

Eccrine poroma

Hidroacanthoma simplex

Dermal duct tumor

Poroma, malignant (porocarcinoma)

Syringofibroadenoma

Intraepidermal epithelioma of Borst Jadassohn

Microcystic adnexal carcinoma

Adenoid cystic carcinoma

Eccrine carcinoma

Mucinous carcinoma of the skin

Fibroadenoma

Sebaceous tumors

Ectopic sebaceous glands

Nevus sebaceus (of Jadassohn)

Sebaceous hyperplasia

Sebaceous hyperplasia of the penis

Sebaceous adenoma

Sebaceoma, sebaceous epithelioma

Muir-Torre syndrome

Combined adnexal tumor

Cowden syndrome

Mesenchymal tumors

Sclerosing fibroma

Dermatofibroma (histiocytoma of the skin)

Dermatomyofibroma

Atypical fibroxantoma

Dermatofibrosarcoma protuberans

Bednar tumor, pigmented dermatofibrosarcoma protuberans

Malignant fibrous histiocytoma, pleomorphic sarcoma

Giant cell fibroblastoma

Skin tags

Fibroepithelial polyp

Supernumerary digit

Supranumerary nipple

Accessory tragus

Fibrous papule of the nose (face)

Acral fibrokeratoma

Acquired periungal fibrokeratoma

Vestibular papules of the vulva

Focal dermal hypoplasia of Golz

Keloid

Lipoma

Common lipoma

Spindle cell and pleomorhic lipoma

Lipomatosis

Angiolipoma

Angiomyolipoma

Liposarcoma

Vascular tumors

Benign vascular tumors

Capillary hemangioma

Cavernous hemangioma

Sinusoidal hemangioma

Venous lake

Blue rubber bleb nevus syndrome

Naevus simplex

Nevus flammeus

Arteriovenous malformation

Venous malformation

Cutis marmorata teleangiectatica

Angioma serpiginosum

Ectatic superficial capillaries in areas of solar degeneration of elastic fibres

Congenital teleangiectatic erythema (Bloom's syndrome)

Osler Weber Rendu hereditary haemorrhagic telangiectasia

Spindle cell hemangioma

Angiokeratoma

Granulation tissue

Intravascular hemangioma of Masson

Granuloma pyogenicum

Senile hemangioma

Acquired tufted hemangioma

Microvenular hemangioma

Verrucous hemangioma

Targetoid hemosiderotic hemangioma

Nevus araneus

Acral arteriovenous hemangioma

Cherry hemangioma

Epithelioid hemangioma (angiolymphoid hyperplasia)

Kimura disease

Bacillary angiomatosis

Acroangiodermatitis

Nevus anemicus

Nodi hemorrhoidales

Vascular dilatation

Vascular tumors of borderline malignancy

Epithelioid hemangioendothelioma

Retiform hemangioendothelioma

Kaposiform hemangioendothelioma

Malignant tumors of blood vessels

Dabska tumor (papillary hemangioendothelioma)

Kaposi's sarcoma

Angiosarcoma

Tumors of lymphatic vessels

Lymphangioma

Glomus tumor

Glomangioma

Hemangiopericytoma

Tumors of the smooth muscle

Pilar leiomyomas

Angioleiomyoma

Genital leiomyomas

Leiomyosarcoma

Rhabdomyoma, rhabdomyomatous mesenchymal hamartoma

Adenoma (angiofibroma) sebaceum Pringle

Pearly penile papules

Histiocytic tumors and proliferations

Xanthoma

Juvenile xanthogranuloma

Necrobiotic xanthogranuloma

Reticulohistiocytoma

Benign cephalic histiocytosis

Giant cell tumor of the tendon sheath

Giant cell tumor of the skin or soft tissue

Histiocytic sarcoma

Neurogenic tumors

Benign neurogenic tumors

Neurofibroma

Recklinghausen's disease

Schwannoma (neurilemmoma)

Traumatic neuroma

Neurohamartoma

Neurothekeoma

Granular cell tumor, Abrikosoff

Malignant neurogenic tumors

Epithelioid sarcoma

Lymphomas

WHO classification of skin lymphomas

Pseudolymphoma, lymphocytoma

B cell pseudolymphoma

T cell pseudolymphoma

Cutaneous lymphoproliferative infiltrates other than lymphomas

Insect bite reaction

Sinus histiocytosis with massive lymphadenopathy Rosai-Dorfman

Leishmaniasis

Angioimmunoblastic lymphadenopathy

Skin lesions in nodal lymphomas

T cell lymphomas

Small plaque parapsoriasis

Large plaque parapsoriasis

Mycosis fungoides

Folliculotropic mycosis fungoides

Granulomatous Slack Skin

Pagetoid reticulosis Worringer Kolopp

Sézary syndrome

CD 30+ T cell lymphoproliferative disorders of the skin

Lymphomatoid papulosis

Anaplastic large cell lymphoma T

Subcutaneous panniculitis-like alpha/beta T cell lymphoma

Primary cutaneous peripheral T cell lymphoma, unspecified

CD8 positive T cell lymphoma (cytotoxic)

T cell receptor gamma/delta chain positive cutaneous lymphoma

Pleomorphic small to medium-sized T cell lymphoma

NK cell lymphoma (CD56+)

Adult T cell lymphoma

Syringolymphoid hyperplasia with alopecia

Pleomorphic medium-sized and large T cell lymphoma (HTLV-1 +/-)

Juvenile granulomatous cutaneous T cell lymphoma

B cell rich T cell lymphoma

Angiocentric and angiodestructive lymphoma

T zone lymphoma, Lennert and Mohri

Intravascular T lymphoma

B cell lymphomas

Follicular lymphoma

Secondary skin infiltration in nodal follicular lymphoma

Marginal zone lymphoma

Marginal zone lymphoma, immunocytoma variant

Marginal zone lymphoma, plasmocytoma variant

Large cell diffuse B cutaneous lymphoma

Large B cell diffuse lymphoma, leg type

Large cell diffuse B lymphoma, other than leg type

T cell rich B cell lymphoma

Intravascular B lymphoma

Lymphoblastic lymphoma B

Lymphomatoid granulomatosis (Liebow)

Lymphatic leukemia B

Mantle cell lymphoma

Burkitt lymphoma

Acute hematopoietic malignancies

Blastic NK cell lymphoma CD4+/CD56+ hematodermic neoplasm

Precursor lymphoblastic leukemia/lymphoma

Precursor lymphoblastic leukemia/lymphoma B

Precursor lymphoblastic leukemia/lymphoma T

Hodgkin's disease of the skin

Skin infiltrates in granulocytic malignancies

Acute myeloic leukemia

Myelosarcoma

Chloroma

Melanocytic tumors

Melanocytic nevus

Common melanocytic nevi

Lentigo simplex

Junctional melanocytic nevus

Compound melanocytic nevus

Dermal nevus

Speckled lentiginous nevus, nevus spilus

Balloon cell nevus

Halo nevus

Melanocytic nevus with clonal proliferation

Eczematized melanocytic nevus

Recurrent melanocytic nevus

Melanocytic nevus on a skin graft

Melanocytic nevus in pregnancy

Giant melanocytic nevus

Deep penetrating nevus

Nevus Spitz

BAP-1 negative melanocytic nevus

Pigmented spindle cell nevus (Reed)

Blue nevus

Blue nevus of common type, of dendritic melanocytes

Cellular blue nevus

Special forms of blue nevi

Combined nevi

Melanocytic nevus of the conjunctiva

Melanoma

Lentigo maligna

Lentigo maligna melanoma

Intraepidermal melanoma (melanoma in situ)

Superficial spreading melanoma, SSM

Superficial spreading melanoma, vertical growth

Nodular melanoma

Nevoid melanoma

Acrolentiginous and mucosal melanoma

Melanoma ex nevo

Balloon cell melanoma

Small cell melanoma

Desmoplastic melanoma

Melanoma developing within congenital nevus, child, 6 years

Melanoma of the conjunctiva

Melanoma metastases

Merkel cell carcinoma

Cysts of the skin and subcutis

Cysts with epithelial lining

Cysts with lining of epidermal type

Epidermal (infundibular) cyst

Epidermal cyst combined with HPV infection

Epidermal verrucous cyst combined with HPV infection

Epidermal inclusion cyst

Hair matrix cyst

Epidermal proliferating cyst

Trichilemmal cyst

Proliferating trichilemmal cyst

Dermoid cyst

Cystic teratoma

Cystic teratoma of the ovary

Pigmented follicular cyst

Steatocystoma multiplex

Skin keratocyst

Vellus hair cyst

Cystis colli mediana, thyreoglossal duct cyst

Giant comedo

Milium

Preauricular sinus (pit)

Thymic cyst

Bronchogenic cyst

Branchial cleft cyst

Cutaneous ciliated cyst of the lower limbs

Vulval mucinous and ciliated cyst

Gartner's duct cyst

Endometriosis

Median raphe cyst

Hidrocystoma

Eccrine hidrocystoma

Apocrinne hidrocystoma (and its papillary variant)

Apocrine cystadenoma (papillary)

Non-epithelial cysts, pseudocysts

Ganglion, synovial cyst

Digital mucous cyst

Mucocele

Pilonidal sinus

Pseudocyst of the auricle

Parasitic cyst

Soft tissue lesions

Some lesions of the oral cavity

Dermatovenerology

Syphilis

Gonorrhea

Trichomonas vaginalis

Pathology of the foreskin, phimosis, balanitis

Balanitis

Balanitis plasmocellularis Zoon

Balanitis circinata

Phimosis, paraphimosis, frenulum breve and other lesions of the penis

Collection of histological slides by prof. Günter Burg

Collection of histological slides by prof. Günter Burg

Collection of histological slides by prof. Werner Kempf

Collection of histological slides by prof. Werner Kempf

Collection of histological slides of dr. Ram Chandra Adhikari

Collection of histological slides of dr. Ram Chandra Adhikari