soft chancre

chancre /chan·cre/ (shang´ker) [Fr.]

1. the primary sore of syphilis, occurring at the site of entry of the infection.

2. the primary cutaneous lesion of such diseases as sporotrichosis and tuberculosis.

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hard chancre , hunterian chancre chancre (1).

chancre re´dux  chancre developing on the scar of a healed primary chancre.

soft chancre  chancroid.

true chancre  chancre (1).

tuberculous chancre  a brownish red papule which develops into an indurated nodule or plaque, representing the initial cutaneous infection of the tubercle bacillus into the skin or mucosa.

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soft chancre

Etymology: AS, softe + Fr, canker

a usually painless local genital ulcer that follows an infection by Haemophilus ducreyi. It is accompanied by suppuration of the inguinal lymphatic nodes, or inguinal buboes. Complications may include phimosis, urethral stricture or fistula, and marked tissue destruction. Also called chancroid.

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chancre (autochthonous ulcer) (shang´kur),

n the primary lesion of syphilis, located at the site of entrance of the spirochete into the body, occurring about 3 weeks after contact. It begins as a papule and then develops into a clean-based shallow ulcer. Secondary infection may produce suppuration. Has the appearance of a buttonlike mass because of the contiguous induration and rolled border. Weeping characteristics also are present.

chancre of lip,

n the primary lesion of syphilis that often appears as an ulcerated or crusted, indurated lesion with a brownish or copper-colored weeping base when located on the lip, which contains
T. pallidum.

chancre, soft,

n See chancroid.