follow @PCDSUKThe clinical chapters provide concise guidance about dermatological conditions and their management. Where there is diagnostic uncertainty refer to the diagnostic tables.
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- Majocchi’s purpura (purpura annularis telangiectodes) (Last Updated: 17/06/2015)
- Malaria (Last Updated: 09/11/2015)
- Malassezia folliculitis (syn. pityrosporum folliculitis) (Last Updated: 21/11/2014)
- Malignant eccrine poroma (syn. porocarcinoma) (Last Updated: 30/06/2013)
- Marginal zone lymphoma (Last Updated: 22/08/2013)
- Mastocytoma (Last Updated: 24/04/2017)
- Mastocytosis (Last Updated: 24/04/2017)
- Materia alba (Last Updated: 05/08/2016)
- Maturational dyschromia (Last Updated: 28/11/2013)
- McCune-Albright syndrome (Last Updated: 27/06/2016)
- Measles (Last Updated: 30/01/2014)
- Median nail dystrophy (Last Updated: 02/05/2016)
- Median rhomboid glossitis (Last Updated: 05/08/2016)
- Melanocytic naevi (Last Updated: 25/04/2017)
- Melanoma - an overview (Last Updated: 25/04/2017)
- Melanoma: acral-lentiginous melanoma (including subungual melanoma) (Last Updated: 16/04/2016)
- Melanoma: lentigo maligna melanoma (including lentigo maligna) (Last Updated: 25/04/2017)
- Melanoma: nodular melanoma (Last Updated: 01/01/2015)
- Melanoma: superficial spreading melanoma (including melanoma in situ) (Last Updated: 17/11/2015)
- Melasma (syn. chloasma) (Last Updated: 06/07/2016)
- Meningococcal septicaemia (Last Updated: 12/07/2015)
- Merkel cell carcinoma (Last Updated: 07/12/2015)
- Meyerson’s naevus (Last Updated: 21/11/2014)
- Microcystic adnexal carcinoma (syn. sclerosing/syringomatous sweat duct carcinoma) (Last Updated: 30/06/2013)
- Microscopic polyarteritis (Last Updated: 27/06/2015)
- Milia (Last Updated: 27/04/2017)
- Milker’s nodule (Last Updated: 09/08/2015)
- Mixed connective tissue disorder and overlap syndromes (Last Updated: 23/06/2015)
- Mixed tumour of the skin (syn. chondroid syringoma) (Last Updated: 30/06/2013)
- Moles (Last Updated: 19/01/2013)
- Molluscum contagiosum (Last Updated: 15/12/2016)
- Mongolian spots (Last Updated: 21/11/2014)
- Morgellon’s syndrome (Last Updated: 20/03/2017)
- Morphoea (Last Updated: 06/07/2016)
- Morton’s neuroma (Last Updated: 22/08/2014)
- Mucinoses (Last Updated: 10/11/2016)
- Mucocele (syn. mucous extravasation cyst; mucous retention cyst; ranula) (Last Updated: 21/11/2014)
- Mucosal melanocytic macules (Last Updated: 31/12/2014)
- Mucous membrane pemphigoid (syn. cicatricial pemphigoid) (Last Updated: 16/03/2015)
- Muir-Torre syndrome (Last Updated: 30/06/2013)
- Multicentric reticulohistiocytosis (Last Updated: 21/11/2014)
- Multiple minute digitate hyperkeratosis (syn. spiny hyperkeratosis) (Last Updated: 30/12/2015)
- Mycobacterial infections (Last Updated: 27/10/2016)
- Mycology (Last Updated: 19/09/2012)
- Mycosis fungoides (Last Updated: 22/08/2013)
- Myiasis (Last Updated: 09/11/2015)
- Myxoid cyst (syn. mucous cyst) (Last Updated: 01/09/2013)