Department of Plastic and Reconstructive Surgery, Faculty of Medicine, Al-Azhar University, Cairo, Egypt. Department of Vascular Surgery, Faculty of Medicine (for Girls), Al-Azhar University, Cairo, Egypt. Department of Plastic and Reconstructive Surgery, Faculty of Medicine (for Girls), Al-Azhar University, Cairo, Egypt. Department of Plastic and Reconstructive Surgery, Faculty of Medicine (Assiut), Al-Azhar University, Cairo, Egypt. Department of Clinical Pathology, Faculty of Medicine (for Girls), Al-Azhar University, Cairo, Egypt.