tuberculid /tu·ber·cu·lid/ (-lid) recurrent eruptions of the skin usually characterized by spontaneous involution; considered by some authorities to be hyperergic reactions to mycobacteria or their antigens.
papulonecrotic tuberculid a grouped, symmetric eruption of symptomless papules, appearing in successive crops and healing spontaneously with superficially depressed scars.
pap·u·lo·ne·crot·ic tuberculid (p p y -l -n-kr t  k)n. A chronic form of cutaneous tuberculosis caused by an allergic reaction to the tubercle bacillus, characterized by dusky-red papules primarily on the extremities that become crusty and ulcerated. |
tuberculid
a papular skin eruption usually attributed to allergy to tuberculosis.
papulonecrotic tuberculid
an eruption of crops of deep-seated papules or nodules, with central necrosis or ulceration.
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