22 Table 9 Residual Beta Burns Subject No. Sex Age 2 M 9 | 58 14 33 - Description Pigment variation with roughening of skin of front of neck. Several pigmented macules right antecubital fossa. Back of neck -~ areas of slight in- creased pigmentation and hyper- 11 24 21 26 20 Left antecubital fossa — scarring Description 71 F 36 Macular lesions on right side of neck and onc also on back of neck. 78 F 44 Pigment variation and hyperkeratosis on back of neck. Raised pigmented mole-like Icsions on sides of neck, particularly on left side; appear to be increasing in number (sce Figure 17). 47 Back of left ear—scarring with 2 nodules of hyperkeratosis: pigment variation. Small spots of alopecia occipital region of scalp. Slight hyperpigmentation and hyperkeratosis of left antecubital fossa. A few pigmented papular lesions on chest inferior axillae. keratosis. 17 Subject No. Sex Age 79 and hyperpigmentation; 2 small pigmented macules, * Dorsum of feet—mottled areas of pigmentation and depigmentation, Dorsum right foot—considerable scarring and thickening with binding to subcutaneous tissue in area between Ist and 2nd toes, Slight scarring and hyperkeratosis with a few pigmented spots in right antecubital fossa. 34 53 Back of neck — slight hyperkera- tosis with several nevus-like lesions on back and sides of neck. 39 22 Back of neck—pigment variation with slight hyperkeratosis; also to lesser extent on dorsum of feet. 49 23 54 Sides of neck — pigmented macules, particularly on right side; few also in left antecubital fossa. gelap woman 4 weeks after exposure (Subject No. 78, March 29, 1954). Anterior neck — mottled pigmentation and depigmentation. Few pigmented macules left anterior axillary fold and lower abdomen; pigmented patch 2 X 3 cm interscapular area on left. 59 42 Back of neck — hyperkeratosis with some itching. 63 44 Considerable pigment variation on back of neck and to a slight degree on right forearm. Front of neck—slight pigment variaion and hyperkeratosis. 67 Dorsum of feet — atrophy and scarring. tw ty 65 Figure 17. Same case as in Figure 16 at 8 yr post exposure. Note development of nevus-like lesions in area of neck previously involved with beta burn.