A Case of Dedifferentiated Liposarcoma of the Spermatic Cord with Widely Infiltrative Local Recurrence

Itsuro Nagae, Akihiko Tsuchida, Yoshihide Tanabe, Soshi Takahashi, Shintaro Minato, Yasuhiro Hibi, Jun Matsubayashi*, Miki Izumi*, Kiyoshi Mukai* and Tatsuya Aoki

Third Department of Surgery and Department of Diagnosis Pathology*, Tokyo Medical University

We report a case of dedifferentiated liposarcoma of the spermatic cord that produced a widely infiltrative local recurrence. A 44-year-old man was referred to Tokyo Medical University Hospital with a diagnosis of inguinal hernia. Preoperative computed tomography and an echogram revealed a tumor in the groin. Postoperativly, the patient was followed on an outpatient basis. However, the patient did not return to the clinic for approximately fours years. Upon re-examination a recurrent, tumor was recognized in the left groin. Computed tomography revealed a tumor in the periphery of the external iliac artery. During surgery, the tumor was found to have infiltrated a wide area. Invasion to the sigmoid colon, left ureter, external iliac artery and vein, and to the bladder wall was noticed. The initial and recurrent tumor consisted partially of well differentiated liposarcoma and mostly of spindle cells with various degrees of atypia. Accordingly, a diagnosis of dedifferentiated liposarcoma was made. The patient's condition improved after surgery, and he has been free of recurrence for 3 years since the operation.

Key words
dedifferentiated liposarcoma, groin tumor, inguinal hernia

Reprint requests
Itsuro Nagae Third Department of Surgery, Tokyo Medical University
6-7-1 Nishishinjuku, Shinjuku-ku, 160-0023 JAPAN

Accepted
July 26, 2006

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