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Basal cell epithelioma at a glance
EpidemiologyPrevalence100 000 cases in the UK, 2001; 90% of non-melanoma skincancers
AgeMore common in the elderly
RaceRaces with fair complexion
OtherAssociated with chronic exposure to UVB and, more rarely,exposure to non-ionizing radiation and inorganic arsenic
Clinical featuresLesions commonly at sides of the nose and around the orbitSlow-growing, pearly, flesh-coloured translucent smoothpapules or nodules with rolled edges or plaquesSurface telangiectasiaFrequent central necrosis with crusting or ulcerationMore rarely, cystic or pigmented lesions
ManagementCryosurgeryCurettage/cauteryExcisional surgery (± grafting)Mohs’ micrographic surgery (± grafting)Chemosurgery (intralesional 5-fluorouracil)Radiotherapy
Fig. C Superficial basal cell carcinoma on back of shin. Redscaly patch.
Fig. D Morphoeic basal cell carcinoma on the face. Irregularplaque.
1144 Chapter 18 Skin disease
18
Fig. A Basal cell carcinoma below the right eye. Nodule.
Fig. E Pigmented basal cell carcinoma. Courtesy of Dr R.C.D.Staughton.
Fig. B Classical crateriform basal cell carcinoma. Ulceratingnodule.
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