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WHO Classification of Skin Tumours (5th Edition) Content

Disease	Page Type	Author	Date Assigned to Author	Target Completion Date	Author Content (Pending or Complete)	Date Completed by Author	Associate Editor	Date of Last Editor Review	Notes
CHAPTER 2 (KERATINOCYTIC/EPIDERMAL TUMOURS)
Actinic keratosis	Disease
Arsenical keratosis	Disease
PUVA keratosis	Disease
Squamous cell carcinoma in situ (Bowen disease)	Disease
Verruca vulgaris	Disease
Verruca plantaris and palmaris	Disease
Verruca plana	Disease
Seborrhoeic keratosis	Disease
Solar lentigo	Disease
Lichen planus-like keratosis	Disease
Clear cell acanthoma	Disease
Large cell acanthoma	Disease
Warty dyskeratoma	Disease
Other benign keratoses	Disease
Basal cell carcinomas	Disease (OVERVIEW?)
Superficial basal cell carcinoma	Disease
Nodular basal cell carcinoma	Disease
Micronodular basal cell carcinoma	Disease
Infiltrating basal cell carcinoma	Disease
Sclerosing/morphoeic basal cell carcinoma	Disease
Basosquamous carcinoma	Disease
Basal cell carcinoma with sarcomatoid differentiation	Disease
Basal cell carcinoma with adnexal differentiation	Disease
Fibroepithelial basal cell carcinoma	Disease
Keratoacanthoma	Disease
Squamous cell carcinomas	Disease (OVERVIEW?)
Verrucous squamous cell carcinoma	Disease
Acantholytic squamous cell carcinoma	Disease
Lymphoepithelial carcinoma	Disease
Clear cell squamous cell carcinoma	Disease
Spindle cell squamous cell carcinoma	Disease
Squamous cell carcinoma with sarcomatoid differentiation	Disease
Merkel cell carcinoma	Disease
CHAPTER 3 (MELANOCYTIC TUMOURS)
Junctional, compound, and dermal naevi	Disease
Simple lentigo and lentiginous melanocytic naevus	Disease
Dysplastic naevus	Disease
Naevus spilus	Disease
Special-site naevi (of the breast, axilla, scalp, and ear)	Disease
Halo naevus	Disease
Meyerson naevus	Disease
Recurrent naevus	Disease
Combined naevus	Disease
WNT-activated deep penetrating/plexiform melanocytoma (naevus)	Disease
Pigmented epithelioid melanocytoma	Disease
BAP1-inactivated melanocytoma	Disease
MITF pathway-activated melanocytic tumours	Disease
Low-CSD melanoma (including superficial spreading melanoma)	Disease
Lentigo maligna melanoma	Disease
Desmoplastic melanoma	Disease
Pigmented spindle cell naevus (Reed naevus)	Disease
Spitz naevus	Disease
Spitz melanocytoma (Atypical Spitz tumour)	Disease
Spitz melanoma	Disease
Acral naevus	Disease
Acral melanoma	Disease
Melanosis	Disease
Genital naevus	Disease
Mucosal melanomas	Disease
Naevus of Ito and naevus of Ota	Disease
Congenital dermal melanocytosis	Disease
Blue naevus	Disease
Melanoma arising in blue naevus	Disease
Congenital melanocytic naevus	Disease
Proliferative nodules in congenital melanocytic naevus	Disease
Melanoma arising in giant congenital naevus	Disease
Conjunctival naevus	Disease
Conjunctival melanocytic intraepithelial lesions	Disease
Conjunctival melanoma	Disease
Uveal melanocytoma	Disease
Uveal melanoma	Disease
Diffuse meningeal melanocytic neoplasms: melanocytosis and melanomatosis	Disease
Circumscribed meningeal melanocytic neoplasms: melanocytoma and melanoma	Disease
Nodular melanoma	Disease
Naevoid melanoma	Disease
Dermal melanoma	Disease
Melanoma metastatic to the skin	Disease
Melanoma metastatic to other organs	Disease
CHAPTER 4 (APPENDAGEAL TUMOURS)
Hidrocystoma/cystadenoma	Disease
Syringoma	Disease
Poroma	Disease
Syringofibroadenoma	Disease
Hidradenoma	Disease
Spiradenoma	Disease
Cylindroma	Disease
Tubular adenoma	Disease
Syringocystadenoma papilliferum	Disease
Mixed tumour	Disease
Myoepithelioma	Disease
Adnexal adenocarcinoma, NOS	Disease
Microcystic adnexal carcinoma	Disease
Cribriform tumour (previously carcinoma)	Disease
Porocarcinoma	Disease
NUT carcinoma	Disease
Malignant neoplasms arising from spiradenoma, cylindroma, or spiradenocylindroma	Disease
Malignant mixed tumour	Disease
Hidradenocarcinoma	Disease
Endocrine mucin-producing sweat gland carcinoma	Disease
Mucinous carcinoma	Disease
Digital papillary adenocarcinoma	Disease
Adenoid cystic carcinoma	Disease
Apocrine carcinoma	Disease
Squamoid ductal eccrine carcinoma	Disease
Syringocystadenocarcinoma papilliferum	Disease
Secretory carcinoma	Disease
Signet-ring cell/histiocytoid carcinoma	Disease
Trichoblastoma	Disease
Pilomatricoma	Disease
Melanocytic matricoma	Disease
Trichilemmoma	Disease
Trichoadenoma	Disease
Trichofolliculoma	Disease
Pilar sheath acanthoma	Disease
Tumour of the follicular infundibulum	Disease
Trichodiscomas and fibrofolliculomas	Disease
Proliferating trichilemmal tumour	Disease
Pilomatrical carcinoma	Disease
Trichoblastic carcinoma/carcinosarcoma	Disease
Trichilemmal carcinoma	Disease
Sebaceoma	Disease
Sebaceous adenoma	Disease
Sebaceous carcinoma	Disease
Hidradenoma papilliferum	Disease
Fibroadenoma and phyllodes tumour of anogenital mammary-like glands	Disease
Mammary Paget disease	Disease
Extramammary Paget disease	Disease
Adenocarcinoma of mammary-gland type	Disease
CHAPTER 5 (TUMOURS OF THE NAIL UNIT)
Onychomatricoma	Disease
Onychopapilloma	Disease
Ungual fibrokeratoma	Disease
Onychocytic matricoma	Disease
Subungual keratoacathoma	Disease
CHAPTER 6 (TUMOURS OF HAEMATOPOIETIC AND LYMPHOID ORIGIN)
Mastocytosis	Disease
Mast cell sarcoma	Disease
Cutaneous involvement in myeloid neoplasms, including myeloid sarcoma	Disease
Mature plasmacytoid dendritic cell proliferation associated with myeloid neoplasm	Disease
Blastic plasmacytoid dendritic cell neoplasm	Disease
Langerhans cell histiocytosis	Disease
Xanthelasma	Disease
Juvenile xanthogranuloma	Disease
Reticulohistiocytosis	Disease
Rosai-Dorfman Disease	Disease
Erdheim-Chester disease	Disease
ALK postive histiocytosis	Disease
Histiocytic sarcoma	Disease
Indeterminate dendritic cell tumour	Disease
Reactive B-cell rich lymphoid proliferations	Disease
Primary cutaneous marginal zone lymphoma	Disease
Primary cutaneous follicle centre lymphoma	Disease
Primary cutaneous diffuse large B-cell lymphoma, leg type	Disease
Intravascular large B-cell lymphoma	Disease
Mantle cell lymphoma	Disease
Burkitt lymphoma	Disease
Chronic lymphocytic leukaemia/small lymphocytic lymphoma	Disease
B-lymphoblastic leukaemia/lymphoma	Disease
Secondary lymphomatoid granulomatosis	Disease
Reactive T-cell rich lymphoid proliferations	Disease
Primary cutaneous CD4-positive small or medium T-cell lymphoproliferative disorder	Disease
Mycosis fungoides	Disease
Primary cutaneous CD30+ T-cell lymphoproliferative disorder: Lymphomatoid papulosis	Disease
Primary cutaneous CD30+ T-cell lymphoproliferative disorder: Primary cutaneous anaplastic large cell lymphoma	Disease
Subcutaneous panniculitis-like T-cell lymphoma	Disease
Primary cutaneous gamma/delta T-cell lymphoma	Disease
Primary cutaneous acral CD8-positive T-cell lymphoproliferative disorder	Disease
Primary cutaneous CD8-positive aggressive epidermotropic cytotoxic T-cell lymphoma	Disease
Primary cutaneous peripheral T-cell lymphoma, NOS	Disease
Sezary syndrome	Disease
Severe mosquito bite allergy	Disease
Hydroa vacciniforme lymphoproliferative disorder	Disease
Anaplastic large cell lymphoma	Disease
Nodal T follicular helper lymphoma, angioimmunoblastic type	Disease
T-cell prolymphocytic leukaemia	Disease
T-lymphoblastic leukaemia/lymphoma	Disease
Adult T cell leukaemia/lymphoma	Disease
Extranodal NK/T-cell lymphoma	Disease
EBV-positive mucocutaneous ulcer	Disease
Inborn error of immunity-associated lymphoproliferative disorders	Disease
CHAPTER 7 (SOFT TISSUE TUMOURS)
Naevus lipomatosus superficialis	Disease
Lipoma	Disease
Angiolipoma	Disease
Spindle cell/pleomorphic lipoma	Disease
Atypical lipomatous tumour	Disease
Pleomorphic liposarcoma	Disease
Fibroma of tendon sheath	Disease
Calcifying aponeurotic fibroma	Disease
Sclerotic fibroma	Disease
Nuchal-type fibroma	Disease
Gardner fibroma	Disease
Pleomorphic fibroma	Disease
Elastofibroma	Disease
Desmoplastic fibroblastoma	Disease
Fibrous papule	Disease
Fibroblastic connective tissue naevus	Disease
Fibroosseous tumour of digits	Disease
Dermatofibroma (fibrous histiocytoma)	Disease
Superficial fibromatosis	Disease
Inclusion body fibromatosis	Disease
Plexiform fibrohistiocytic tumour	Disease
Superficial acral fibromyxoma	Disease
Cutaneous myxoma (superficial angiomyxoma)	Disease
Dermatomyofibroma	Disease
Multinucleate cell angiohistiocytoma	Disease
Plaque-like CD34+ dermal fibroma	Disease
Nodular fasciitis	Disease
EWSR1::SMAD3 rearranged fibroblastic tumour	Disease
Dermatofibrosarcoma protuberans	Disease
Myxoinflammatory fibroblastic sarcoma	Disease
Myxofibrosarcoma	Disease
Cherry haemangioma	Disease
Sinusoidal haemangioma	Disease
Microvenular haemangioma	Disease
Hobnail haemangioma	Disease
Glomeruloid haemangioma	Disease
Papillary haemangioma	Disease
Spindle cell haemangioma	Disease
Epithelioid haemangioma	Disease
Tufted haemangioma	Disease
Angiokeratoma	Disease
Infantile haemangioma	Disease
Congenital non-progressive haemangiomas: rapidly involuting congenital haemangioma and non-involuting congenital haemangioma	Disease
Lobular capillary haemangioma	Disease
Poikilodermatous plaque-like haemangioma	Disease
Acquired elastotic haemangioma	Disease
Verrucous venous malformation	Disease
Arteriovenous malformation	Disease
Lymphangioma (superficial lymphatic malformation)	Disease
Cutaneous epithelioid angiomatous nodule	Disease
Post-radiation atypical vascular lesion	Disease
Pseudomyogenic haemangioendothelioma	Disease
Epithelioid haemangioendothelioma	Disease
Hobnail haemangioendotheliomas	Disease
Composite haemangioendothelioma	Disease
Kaposi sarcoma	Disease
Cutaneous angiosarcoma	Disease
Glomus tumour	Disease
Myopericytoma	Disease
Myofibroma and myofibromatosis	Disease
Angioleiomyoma	Disease
Smooth muscle hamartoma	Disease
Cutaneous leiomyomas	Disease
EBV-associated smooth muscle tumour	Disease
Atypical intradermal smooth muscle neoplasm	Disease
Dermal hyperneury/Epithelial sheath neuroma	Disease
Solitary circumscribed neuroma	Disease
Dermal nerve sheath myxoma	Disease
Perineurioma	Disease
Neurofibroma	Disease
Schwannoma	Disease
Granular cell tumour	Disease
Hybrid nerve sheath tumours	Disease
Malignant peripheral nerve sheath tumour	Disease
Cellular neurothekeoma	Disease
Epithelioid fibrous histiocytoma	Disease
Non-neural granular cell tumour	Disease
PEComa	Disease
Angiomatoid fibrous histiocytoma	Disease
NTRK-rearranged spindle cell neoplasm	Disease
Atypical fibroxanthoma	Disease
Superficial CD34+ fibroblastic tumour	Disease
Pleomorphic dermal sarcoma	Disease
Epithelioid sarcoma	Disease
CRTC1::TRIM11 cutaneous tumour	Disease
Dermal clear cell sarcoma	Disease
Ewing sarcoma	Disease
CHAPTER 8 (METASTASES TO SKIN)
Metastases to skin	Disease
Cancer of unknown primary site	Disease
CHAPTER 9 (GENETIC TUMOUR SYNDROMES ASSOCIATED WITH SKIN MALIGNANCIES)
Familial melanoma	Disease
BAP1 tumour predisposition syndrome	Disease
Xeroderma pigmentosum	Disease
Naevoid basal cell carcinoma syndrome (Gorlin syndrome)	Disease
Carney complex	Disease
Muir-Torre syndrome	Disease
Brooke-Spiegler and related syndromes	Disease