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Original ArticleOpen Access
Benign Cystic Teratoma of the Ovary : A Review of 608 Patients
Benjapibal M 
,
Boriboonhinmsarn D ,
Suphanit l ,
Sangkarat S
,
Boriboonhinmsarn D ,
Suphanit l ,
Sangkarat S This retrospective study reports on 608 cases of benign cystic teratoma of the ovary
treated at Siriraj Hospital over a ten-year period from 1988-1997. Mean age of the patients was
33.7
เธ‘
11.3 years. Approximately one-third of the patients (35.0%) were asymptomatic when the
teratomas were discovered, of the rest, the common presenting symptoms were abdominal pain
(52.9%) or palpable abdominal mass (30.6% ). The tumors were between 6-10 em in greatest
diameter in more than half of the patients (53.6%) and in 78 patients (12.8%), the tumors were
bilateral. Complications from the tumors were found in 72 patients (11.8% ): 68 cases of torsion
(94.4% ); two were spontaneous rupture (2.8% ); and two were infected (2.8% ). The mean age of
patients with twisted tumor was significantly less than that of patients with uncomplicated tumor
(p
=
0.02), and abdominal pain was found more commonly in the patients with twisted tumor
(p
<
0.001). Among cases with torsion, more than 90 per cent of the tumors were found to be of
intermediate size (6-15 em), while only 68.8 per cent were found in uncomplicated cases (p
<
0.001). Surgical treatment was conservative in 63.8 per cent) and radical in 36.2 per cent of the
patients.
Key word
: Benign Cystic Teratoma, Ovarian Neoplasms, Twisted Tumor
treated at Siriraj Hospital over a ten-year period from 1988-1997. Mean age of the patients was
33.7
เธ‘
11.3 years. Approximately one-third of the patients (35.0%) were asymptomatic when the
teratomas were discovered, of the rest, the common presenting symptoms were abdominal pain
(52.9%) or palpable abdominal mass (30.6% ). The tumors were between 6-10 em in greatest
diameter in more than half of the patients (53.6%) and in 78 patients (12.8%), the tumors were
bilateral. Complications from the tumors were found in 72 patients (11.8% ): 68 cases of torsion
(94.4% ); two were spontaneous rupture (2.8% ); and two were infected (2.8% ). The mean age of
patients with twisted tumor was significantly less than that of patients with uncomplicated tumor
(p
=
0.02), and abdominal pain was found more commonly in the patients with twisted tumor
(p
<
0.001). Among cases with torsion, more than 90 per cent of the tumors were found to be of
intermediate size (6-15 em), while only 68.8 per cent were found in uncomplicated cases (p
<
0.001). Surgical treatment was conservative in 63.8 per cent) and radical in 36.2 per cent of the
patients.
Key word
: Benign Cystic Teratoma, Ovarian Neoplasms, Twisted Tumor
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