الفهرس 
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Abstract
Acknowledgments
Thanks to ALLAH; the most gracious; the most merciful for his endless blessings.
I am honored to have worked with Dr. Talal Ahmed Abdel Raheem, professor of Dermatology, STDs and Andrology, Fayoum University, the research idea was his bright suggestion. His precision and meticulous corrections were most beneficial to my study. My profound thanks for his help, patience, continuous encouragement and support.
I am very thankful to Dr. Shereen Adel Ali Ahmed, Lecturer of Dermatology, STDs and Andrology, Fayoum University, for giving me support and trust, for her kind supervision and patience and her great effort and time spent in examination of the large number of cases and her valuable comments and corrections in the study.
I would like to thank Dr. Ghada Ali Nassef, Assistant professor of Dermatology, STDs and Andrology, Menia University whose assistance and help throughout the study was so sincere, giving me by her cheerfulness, the best inspiration and support I needed.
Deepest gratitude is to my beloved mam .