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. 2016 Jun 23;115(5):599–606. doi: 10.1038/bjc.2016.165

Table 3. Incident vulval cancer registrations in the cohort by histological subtype and International Classification of Diseases for Oncology, 3rd Edition (ICDO-3) morphology coding.

ICDO-3 morphology code Histological subtype Number (% of all vulval cancers)
Squamous tumours
M8070/3 Squamous cell carcinoma, not otherwise specified 447 (50.0)
M8071/3 Squamous cell carcinoma, keratinising, not otherwise specified 131 (14.6)
M8070/5, M8076/3 Squamous cell carcinoma, microinvasive 16 (1.8)
M8051/3 Verrucous carcinoma, not otherwise specified 8 (0.9)
M8072/3, 8074/3, 8075/3 Squamous cell carcinoma: large cell, non-keratinising/spindle cell/adenoid 7 (0.8)
  Total squamous cell tumours 609 (67.8)
Glandular tumours
M8542/3 Paget's disease 73 (8.1)
M8480/3,M8400/3, M8140/3 Adenocarcinoma: mucinous/sweat gland/not otherwise specified 13 (1.4)
M8200/3, M8390/3, M8560/3 Adenoid cystic/skin appendage/adenoquamous carcinoma 10 (1.1)
  Total glandular tumours 96 (10.7)
Basal cell tumours
M8090/3 Basal cell carcinoma, not otherwise specified 80 (8.9)
M8091/3 Multifocal superficial basal cell carcinoma 6 (0.7)
M8094/3, M8097/3 Basosquamous carcinoma, basal cell carcinoma (nodular) 6 (0.7)
  Total basal cell carcinomas 92 (10.2)
Melanocytic tumours
M8720/3 Malignant melanoma, not otherwise specified 21 (2.3)
M8721/3 Nodular melanoma 16 (1.8)
M8743/3 Superficial spreading melanoma 14 (1.6)
M8744/3 Acral lentiginous melanoma, malignant 4 (0.4)
M8746/3 Mucosal lentiginous melanoma  
  Total melanocytic tumours 55 (6.1)
Other tumours: unspecified and sarcomatous
M8000/3, 8010/3 Neoplasm/epithelial tumour, malignant 37 (4.0)
M8032/3, M8033/3, M8800/3, M8832/3, M8851/3, M8890/3, M8891/3 Spindle cell carcinoma, not otherwise specified/pseudosarcomatous carcinoma/sarcoma, not otherwise specified/dermatofibrosarcoma, not otherwise specified/liposarcoma, well-differentiated /leiomyosarcoma/epithelioid leiomyosarcoma 9 (0.9)
  Total ‘other' tumours 46 (5.1)
  Total incident vulval cancers 898 (100.0)