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Figure 68.1
Generalized hypertrichosis. (Courtesy of Professor Peter Itin.)
Figure 68.5
Near total absence of hair in a young patient with vitamin D resistant rickets type IIa (a); note the whitish papules over the central part of the fac...
Figure 68.9
A patient with keratitis–ichthyosis–deafness syndrome demonstrates atrichia associated with follicular papules in the nape area (a), plantar keratoder...
Figure 68.13
Short and sparse hair associated with follicular papules a patient with monilethrix; hair beading typical of monilethrix on microscopy.
Figure 68.17
(a) Light‐coloured and coarse hair in a patient with trichothiodystrophy. (Courtesy of Professor Peter Itin.) (b) Defective cuticle visualized by sca...
Figure 68.2
Hypertrichosis and hyperpigmented plaques localized to the lower limb in an adult patient with H syndrome. (Courtesy of Professor Avraham Zlotogorski...
Figure 68.6
Alopecia totalis in a patient with growth retardation, alopecia, pseudoanodontia and optic atrophy (GAPO) syndrome. (Courtesy of Professor David Enk....
Figure 68.10
Diffuse hypotrichosis in an adult patient with Clouston syndrome. (Courtesy of Professor Maurice Van Steensel.)
Figure 68.14
Woolly hair in a white woman and her son. (Courtesy of Professor Rudolf Happle.)
Figure 68.18
Uncombable hair syndrome. (Courtesy of Professor Peter Itin.)
Figure 68.3
Total lack of hair (a) and follicular lesions (b) in atrichia with papular lesions. On histology, note the conspicuous presence of dermal cysts (c).
Figure 68.7
Autosomal dominant hypotrichosis of the scalp, caused by a mutation in CDSN .
Figure 68.11
Sparse and short hair on the scalp of a young patient with hypotrichosis and juvenile macular dystrophy (a); fundus examination reveals severe degener...
Figure 68.15
(a) Pale and sparse hair in a child with Menkes disease. (Courtesy of Professor Rudolf Happle.) (b) Hair twisting along its axis, typical of pili tor...
Figure 68.19
Loose anagen syndrome. (Courtesy of Professor Peter Itin.)
Figure 68.4
Wiry, coarse and sparse hair in Marie Unna hereditary hypotrichosis. (Courtesy of Professor Maurice Van Steensel.)
Figure 68.8
Sparse, short and light‐coloured hair in a patient carrying a mutation in LIPH .
Figure 68.12
Hypotrichosis (a) and lamellar ichthyosis (b) in a patient with autosomal recessive ichthyosis with hypotrichosis.
Figure 68.16
Typical cutaneous features of the trichohepatoenteric syndrome including puffy cheeks (a) and hypotrichosis (b).