RADIOACTIVITY IN MAN
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symptoms usually subside to be followed by a generally asymptomatic latent period of days or weeks, dependingon the dose (the
larger the dose the shorter the latent period) . Then pigmentation
and erythema may developin the irradiated area with desquamation and, in moresevere burns, ulceration and pain of varying de-
Figure 7. Same case as in Figure 6. six months later. Foot lesions have healed
with repigmentation except depigmented scars persist in arcas where there
were deeper lesions,
gree. Patchy epilation mayalso occur at this time. Healing with re-
epithelialization and repigmentation is likely except with deeper
burns, in which case non-pigmentation, atrophy and scarring may
remain with possible development of chronic radiation dermatitis
and the risk of malignant change.
SUZ 124