Salpingitis/Endosalpingitis is best confirmed by :
Laparoscopy: In PID the diagnosis can be confirmed on laparoscopy. Peritoneal fluid or pus can be obtained for culture,and other causes like acute appendicitis and pelvic tuberculosis considered in differential diagnosis can be ruled out Hysteroscopy: The presence of caseous areas,ulcers,or tubercles suggest TB. SHAW'S TEXTBOOK OF GYNAECOLOGY .pg no:488,15th edition
Hysteroscopy and laparoscopy
X-ray
Hysterosalpingography
Sonosalpingography
Infections of the genital tract