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Picture of the Month

Richard W. Hartmann Jr, MD; Walter W. Tunnessen Jr, MD
Arch Pediatr Adolesc Med. 1997;151(3):315-316. doi:10.1001/archpedi.1997.02170400101019.
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A 2½year-old boy had the onset of pain and swelling of his penis during the past 3 days. The swelling and pain increased significantly within the past 24 hours. The child's penis is shown in the Figure.

Denouement and Discussion 

Paraphimosis  Paraphimosis is an urologic emergency that results when the foreskin is retracted away from the glans penis and cannot be reduced to its former position. The opening in the prepuce, when forcibly retracted beyond the coronal sulcus, becomes a constricting ring that cannot be reduced. The constricting ring created causes a tension greater than the lymphatic pressure and results in edema of the prepuce, the penile shaft, and the glans penis distal to the incarcerated foreskin.1,2As lymphatic drainage is impaired and tissue swelling increases, reduction of the foreskin becomes more difficult. Pain occurs as a result of swelling, and, eventually, as a result of vascular compromise. If


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