Malignant tumours with apocrine and eccrine differentiation

• Tubular carcinoma
• Microcystic adnexal carcinoma
• Malignant mixed tumour
• Porocarcinoma
• Spiradenocarcinoma
• Hidradenocarcinoma
• Mucinous carcinoma
• Digital papillary carcinoma
• Adenoid cystic carcinoma
• Apocrine carcinoma
• Paget disease and extramammary
• Paget disease

Benign tumours with apocrine and eccrine differentiation

• Hidrocystoma
• Syringoma
• Poroma
• Syringofibroadenoma Hidradenoma
• Spiradenoma
• Cylindroma
• Tubular and tubular papillary adenoma
• Syringocystadenoma papilliferum
• Hidradenoma papilliferum
• Mixed tumour (chondroid syringoma)

Malignant tumours with follicular differentiation

• Pilomatrical carcinoma
• Proliferating tricholemmal tumour

Benign tumours with follicular differentiation

• Trichoblastoma
• Pilomatricoma
• Tricholemmoma
• Trichofolliculoma
• Pilar sheath acanthoma
• Tumour of the follicular infundibulum
• Fibrofolliculoma / trichodiscoma

Tumours with sebaceous differentiation

• Sebaceous carcinoma
• Sebaceous adenoma
  
• Sebaceoma
• Cystic sebaceous tumour