After swabbing lesions on a 53 - year - old woman in Germany who experienced swelling of her pharynx .
Who developed a whitish pseudomembrane , doctors were able to grow C. ulcerans .
After swabbing lesions on a 53 - year - old woman in Germany who experienced swelling of her pharynx and who developed a whitish pseudomembrane , doctors were able to grow C. ulcerans .