There are many causes of a positive direct antiglobulin test. Depending on the technique and the reagents used, a positive direct antiglobulin test has been reported in 1:1000 to 1:14,000 blood donors and 1%-15% of hospital patients. Most blood donors with positive direct antiglobulin test results appear healthy, and most show no overt signs of hemolytic anemia.
Overview. The inguinal region of the body, also known as the groin, is located on the lower portion of the anterior abdominal wall, with the thigh inferiorly, the pubic tubercle medially, and the anterior superior iliac spine (ASIS) superolaterally.ymph nodes in the inguinal region receive drainage from the penis, scrotum, and vulva. Patients with cancer or sexually transmitted diseases (STDs) may acquire lymphadenopathy in this region. Penile cancer. Penile cancer is a rare but serious disease found in certain parts of Africa and South America.
The Inguinal Canal  The inguinal canal transmits the vas deferens in the male and the round ligament in the female.  The deep ring is the entrance to the inguinal canal on the inside of the abdominal wall. The deep ring is formed in the transversalis fascia.At the superficial ring the inguinal canal passes through the external oblique aponeurosis and receives a layer from the aponeurosis, the external spermatic fascia in the male.  The deep inguinal ring lies lateral to the inferior epigastricvessels. The superficial ring lies above and medial to the pubic tubercle.