These lesions usually heal without further progression, but continue to harbour live tubercle bacilli and re-activate later should there be a fall in the general resistance of the patient.

• 这些病变如不进一步发展通常就会愈合，但病变区域继续寄居着活的结核杆菌，以后如病人全身抵抗力下降，病变区即再度活化。