Canga's bead symptom is a radiologic term used to define the irregular appearance of uterus and nodular structures in tuba uterina observed in patients with genital tuberculosis. Radiology is the branch of medical science dealing with the medical use of x-ray machines or other such radiation devices. ... Female internal reproductive anatomy The uterus or womb is the major female reproductive organ of most mammals, including humans. ... Tuberculous lungs show up on an X-ray image Tuberculosis is an infection with the bacterium Mycobacterium tuberculosis, which most commonly affects the lungs (pulmonary TB) but can also affect the central nervous system (meningitis), lymphatic system, circulatory system (miliary TB), genitourinary system, bones and joints. ...