1. Sclerotherapy with 5% tetracycline is a simple alternative to potentially complex surgical treatment of ovarian endometriomas before in vitro fertilization 
Jeffrey D Fisch, M.D., Geoffrey Sher, M.D. 
Fertility and Sterility 
Volume 82, Issue 2, Pages (August 2004)
DOI: /j.fertnstert

2. Figure 1
Transvaginal ultrasound of a left ovary with an echogenic cyst with the characteristic appearance of an endometrioma.
Fisch. Sclerotherapy for endometriomas. Fertil Steril 2004.
Fertility and Sterility  , DOI: ( /j.fertnstert )

3. Figure 2
Transvaginal ultrasound of the same left ovary 6 weeks posttherapy, showing resolution of the endometrioma.
Fisch. Sclerotherapy for endometriomas. Fertil Steril 2004.
Fertility and Sterility  , DOI: ( /j.fertnstert )