Table of contents
Benign (nonmelanotic) epidermal tumors or tumor-like lesions:acanthoma fissuratum (pending)
clear cell acanthoma
clear cell papulosis
dermatosis papulosa nigra
epidermal nevus
epidermolytic acanthoma
inflammatory linear verrucous epidermal nevus (ILVEN)
inverted follicular keratosis
large cell acanthoma
melanoacanthoma
nevus comedonicus (pending)
nevus with "skyline" basal cell layer (PENS) (pending)
porokeratosis
pseudocarcinomatous hyperplasia (pending)
seborrheic keratosis
warty dyskeratoma
Fibrous, fibrohistiocytic and myofibroblastic neoplasms:acquired digital fibrokeratoma
angiofibroma / fibrous papule
angiomatoid fibrous histiocytoma
atypical fibroxanthoma
collagenous fibroma
cutaneous fibroepithelial polyps
dermatofibroma (cutaneous fibrous histiocytoma)
dermatofibrosarcoma protuberans (DFSP)
dermatomyofibroma
keloid
multinucleate cell angiohistiocytoma
myoepithelioma
pleomorphic dermal sarcoma
pleomorphic fibroma
sclerotic fibroma
superficial angiomyxoma
Cysts:cystic / cavernous lymphangioma
dermoid cyst
digital myxoid cyst
dilated pore of Winer (pending)
epidermal (epidermoid) type
hidrocystoma
other cysts
proliferating pilar tumor
steatocystoma
synovial cysts
trichilemmal (pilar) type
vellus hair cyst
Adnexal tumors
Sweat gland derived (apocrine & eccrine glands):adenoid cystic carcinoma (primary cutaneous)
cutaneous adnexal NUT carcinoma
cutaneous mixed tumor / chondroid syringoma
cylindroma
digital papillary adenocarcinoma
eccrine spiradenoma
eccrine syringofibroadenoma
endocrine mucin producing sweat gland carcinoma
extramammary Paget disease
hidradenoma
hidradenoma papilliferum
microcystic adnexal carcinoma
papillary eccrine adenoma
polymorphous sweat gland carcinoma
poroma
primary cutaneous mucinous carcinoma
sweat gland carcinoma
syringocystadenoma papilliferum
syringoma
tubular apocrine adenoma
Premalignant / in situ:actinic keratosis
arsenical keratosis
bowenoid papulosis
condyloma
extramammary Paget disease
HPV associated SIL
HPV independent SIL
penile intraepithelial neoplasia
squamous cell carcinoma in situ / Bowen disease
Carcinoma (nonadnexal):basal cell carcinoma
keratoacanthoma / SCC keratoacanthoma type
lymphoepithelioma-like carcinoma
mucoepidermoid carcinoma
squamous cell carcinoma
verrucous carcinoma
Lymphoma and related disorders (see also Lymphoma chapter):cutaneous lymphoid hyperplasia
Primary cutaneous B cell lymphoma (PCBCL):EBV+ mucocutaneous ulcer
intravascular
primary cutaneous diffuse large B cell lymphoma, leg type
primary cutaneous follicle center lymphoma
primary cutaneous marginal zone lymphoma
Cutaneous T cell lymphoma (CTCL):extranodal NK / T cell lymphoma
lymphomatoid papulosis
mycosis fungoides
mycosis fungoides special variants
primary cutaneous acral CD8+
primary cutaneous anaplastic large cell lymphoma
primary cutaneous CD4+ small / medium
primary cutaneous CD8+ aggressive epidermotropic T cell lymphoma
primary cutaneous gamma delta
primary cutaneous PTCL, NOS (pending)
Sézary syndrome
subcutaneous panniculitis-like
systemic EBV+ of childhood
Leukemic infiltrates of skin and cutaneous mastocytosis:blastic plasmacytoid dendritic cell neoplasm
cutaneous mastocytosis
leukemia cutis
myeloid sarcoma
Vascular tumors:angiokeratoma
angiosarcoma
atypical vascular lesion post radiation
benign lymphangioendothelioma / acquired progressive lymphangioma
composite hemangioendothelioma
cutaneous epithelioid angiomatous nodule
epithelioid hemangioendothelioma
hemangioendothelioma-kaposiform
hemangioendothelioma-retiform
intravascular papillary endothelial hyperplasia
Kaposi sarcoma
lymphangioma / lymphatic malformation
papillary intralymphatic angioendothelioma
tufted angioma
Hemangioma variants:acquired elastotic hemangioma
angiolymphoid hyperplasia with eosinophilia
hemangioma & variants
glomus tumor
lobular capillary hemangioma
myopericytoma / myofibroma
Malformations, ectasias and hamartomas of vascular origin:arteriovenous malformation (pending)
capillary malformations (pending)
diffuse dermal angiomatosis
eccrine angiomatous hamartoma
reactive angioendotheliomatosis (pending)
telangiectases (pending)
venous lake
venous malformations
Neural tumors:epithelial sheath neuroma (pending)
granular cell tumor
malignant granular cell tumor
Merkel cell carcinoma
neurothekeoma
palisaded encapsulated neuroma
Cutaneous muscle tumors & hamartomas:alveolar rhabdomyosarcoma
angioleiomyoma
atypical smooth muscle tumor
Becker's nevus
embryonal rhabdomyosarcoma
leiomyoma
pleomorphic rhabdomyosarcoma
Nail tumors:normal nail grossing (pending)
normal nail histology (pending)
onychocytic carcinoma (pending)
onychocytic matricoma (pending)
onychomatricoma (pending)
onychopapilloma (pending)
subungual exostosis
superficial acral fibromyxoma
Other tumors of skin:benign (mature) cystic teratoma
Borst-Jadassohn phenomenon
connective tissue nevus
CRTC1:TRIM11 cutaneous tumor
endometriosis
meningothelial hamartoma of scalp
metastatic
nevus lipomatosus superficialis
supernumerary digit
white sponge nevus
xanthoma
Stains-Keratinocytic and adnexal neoplasms:
adipophilin (sebaceous neoplasms) (pending)
AE1 / AE3
BerEP4 (BCC)
CD10 (trichoepithelioma versus BCC)
CD34 (trichoepithelioma versus BCC)
CEA
CK5/6
CK7
CK20
EMA
PHLDA1 (trichoepithelioma versus BCC) (pending)
p40
p63
Stains-Spindle cell neoplasms: AE1 / AE3 ALK CD10 CD31 CD34 CD99 desmin ERG Factor XIIIa SMA vimentin
Melanocytic markers: HMB45 MelanA / MART1 MITF NGFR / p75 (pending) PRAME S100 SOX10
Stains-Specialized markers: BAP1 BRAF MLH1 MLH3 (pending) MSH2 MSH6 PMS2 p16
Stains-Spindle cell neoplasms: AE1 / AE3 ALK CD10 CD31 CD34 CD99 desmin ERG Factor XIIIa SMA vimentin
Melanocytic markers: HMB45 MelanA / MART1 MITF NGFR / p75 (pending) PRAME S100 SOX10
Stains-Specialized markers: BAP1 BRAF MLH1 MLH3 (pending) MSH2 MSH6 PMS2 p16
Index (Alphabetical table of contents)
A-E:acanthoma fissuratum (pending)
acquired digital fibrokeratoma
acquired elastotic hemangioma
actinic keratosis
adenoid cystic carcinoma (primary cutaneous)
alveolar rhabdomyosarcoma
angiofibroma / fibrous papule
angiokeratoma
angioleiomyoma
angiolymphoid hyperplasia with eosinophilia
angiomatoid fibrous histiocytoma
angiosarcoma
arsenical keratosis
arteriovenous malformation (pending)
atypical fibroxanthoma
atypical smooth muscle tumor
atypical vascular lesion post radiation
basal cell carcinoma
basaloid follicular hamartoma
Becker's nevus
benign (mature) cystic teratoma
benign lymphangioendothelioma / acquired progressive lymphangioma
blastic plasmacytoid dendritic cell neoplasm
Borst-Jadassohn phenomenon
bowenoid papulosis
capillary malformations (pending)
clear cell acanthoma
clear cell papulosis
collagenous fibroma
composite hemangioendothelioma
condyloma
connective tissue nevus
CRTC1:TRIM11 cutaneous tumor
cutaneous adnexal NUT carcinoma
cutaneous epithelioid angiomatous nodule
cutaneous fibroepithelial polyps
cutaneous lymphadenoma
cutaneous lymphoid hyperplasia
cutaneous mastocytosis
cutaneous mixed tumor / chondroid syringoma
cylindroma
cystic / cavernous lymphangioma
dermatofibroma (cutaneous fibrous histiocytoma)
dermatofibrosarcoma protuberans (DFSP)
dermatomyofibroma
dermatosis papulosa nigra
dermoid cyst
diffuse dermal angiomatosis
digital myxoid cyst
digital papillary adenocarcinoma
dilated pore of Winer (pending)
EBV+ mucocutaneous ulcer
eccrine angiomatous hamartoma
eccrine spiradenoma
eccrine syringofibroadenoma
embryonal rhabdomyosarcoma
endocrine mucin producing sweat gland carcinoma
endometriosis
epidermal (epidermoid) type
epidermal nevus
epidermolytic acanthoma
epithelial sheath neuroma (pending)
epithelioid hemangioendothelioma
extramammary Paget disease
extranodal NK / T cell lymphoma
F-N:fibrofolliculoma / trichodiscoma
glomus tumor
granular cell tumor
hair follicle nevus
hemangioendothelioma-kaposiform
hemangioendothelioma-retiform
hemangioma & variants
hidradenoma
hidradenoma papilliferum
hidrocystoma
histiocytoses, overview (pending)
HPV associated SIL
HPV independent SIL
inflammatory linear verrucous epidermal nevus (ILVEN)
intravascular
intravascular papillary endothelial hyperplasia
inverted follicular keratosis
juvenile xanthogranuloma
Kaposi sarcoma
keloid
keratoacanthoma / SCC keratoacanthoma type
Langerhans cell histiocytosis
large cell acanthoma
leiomyoma
leukemia cutis
lobular capillary hemangioma
lymphangioma / lymphatic malformation
lymphoepithelioma-like carcinoma
lymphomatoid papulosis
malignant granular cell tumor
melanoacanthoma
meningothelial hamartoma of scalp
Merkel cell carcinoma
metastatic
microcystic adnexal carcinoma
mucoepidermoid carcinoma
multicentric reticulohistiocytosis
multinucleate cell angiohistiocytoma
mycosis fungoides
mycosis fungoides special variants
myeloid sarcoma
myoepithelioma
myopericytoma / myofibroma
neurothekeoma
nevus comedonicus (pending)
nevus lipomatosus superficialis
nevus sebaceus of Jadassohn
nevus with "skyline" basal cell layer (PENS) (pending)
normal nail grossing (pending)
normal nail histology (pending)
O-Z:onychocytic carcinoma (pending)
onychocytic matricoma (pending)
onychomatricoma (pending)
onychopapilloma (pending)
other cysts
palisaded encapsulated neuroma
papillary eccrine adenoma
papillary intralymphatic angioendothelioma
penile intraepithelial neoplasia
pilomatricoma
pleomorphic dermal sarcoma
pleomorphic fibroma
pleomorphic rhabdomyosarcoma
polymorphous sweat gland carcinoma
porokeratosis
poroma
primary cutaneous acral CD8+
primary cutaneous anaplastic large cell lymphoma
primary cutaneous CD4+ small / medium
primary cutaneous CD8+ aggressive epidermotropic T cell lymphoma
primary cutaneous diffuse large B cell lymphoma, leg type
primary cutaneous follicle center lymphoma
primary cutaneous gamma delta
primary cutaneous marginal zone lymphoma
primary cutaneous mucinous carcinoma
primary cutaneous PTCL, NOS (pending)
proliferating pilar tumor
pseudocarcinomatous hyperplasia (pending)
reactive angioendotheliomatosis (pending)
Rosai-Dorfman disease (RDD)
Sézary syndrome
sclerotic fibroma
sebaceoma
sebaceous adenoma
sebaceous carcinoma
sebaceous hyperplasia
seborrheic keratosis
squamous cell carcinoma
squamous cell carcinoma in situ / Bowen disease
staging-Merkel cell carcinoma
staging-nonmelanocytic carcinoma
steatocystoma
subcutaneous panniculitis-like
subungual exostosis
superficial acral fibromyxoma
superficial angiomyxoma
supernumerary digit
sweat gland carcinoma
synovial cysts
syringocystadenoma papilliferum
syringoma
systemic EBV+ of childhood
telangiectases (pending)
trichilemmal (pilar) type
trichilemmoma
trichoepithelioma / trichoblastoma
trichofolliculoma
tubular apocrine adenoma
tufted angioma
tumor of the follicular infundibulum (pending)
vellus hair cyst
venous lake
venous malformations
verrucous carcinoma
warty dyskeratoma
white sponge nevus
WHO classification
xanthoma
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