Thomas Stephen Cullen

Thomas Stephen Cullen, born on November twentieth, eighteen sixty-eight, in Bridgewater, Ontario, was a prominent Canadian gynecologist renowned for his contributions to the field of gynecology at Johns Hopkins Hospital.

After completing his education at the Toronto Collegiate Institute, Cullen graduated with a Bachelor of Medicine degree from the University of Toronto in eighteen ninety. He furthered his studies at Johns Hopkins University the following year and later traveled to Germany to study at Johannes Orth's laboratory at the University of Göttingen in eighteen ninety-three.

From eighteen ninety-three to eighteen ninety-six, Cullen held the position of head of gynecological pathology at Johns Hopkins. His expertise was recognized in nineteen nineteen when he was appointed as a professor of clinical gynecology. Throughout his career, Cullen focused on researching gynecological diseases, including uterine cancer and ectopic pregnancy, and he was a pioneer in promoting the use of diagrams in biomedical publishing.

Cullen's legacy includes the identification of Cullen's sign, a discoloration of the skin around the navel indicative of a ruptured ectopic pregnancy. He authored several significant monographs, including 'Cancer of the Uterus' in nineteen hundred, 'Adenomyoma of the Uterus' in nineteen oh eight, 'Myomata of the Uterus' in collaboration with Howard Atwood Kelly in nineteen oh nine, and 'Diseases of the Umbilicus' in nineteen sixteen. Cullen passed away in Baltimore, Maryland, leaving behind a lasting impact on the field of gynecology.