These sacrococcygeal teratomas are often relatively amenable to treatment.
2.
Sacrococcygeal teratoma alone is diagnosed at birth in one out of 40, 000 humans.
3.
In particular, a pilonidal cyst in the gluteal cleft can resemble a sacrococcygeal teratoma.
4.
The most notable of these is sacrococcygeal teratoma, the single most common tumor diagnosed in babies at birth.
5.
In neonates, infants, and children younger than 4 years, the majority of germ cell tumors are sacrococcygeal teratomas.
6.
Historically, sacrococcygeal teratomas present in 2 clinical patterns related to the child s age, tumor location, and likelihood of tumor malignancy.
7.
The most commonly diagnosed fetal teratomas are sacrococcygeal teratoma ( Altman types I, II, and III ) and cervical ( neck ) teratoma.
8.
Prior to the widespread routine use of prenatal ultrasound examinations, the incidence of sacrococcygeal teratomas diagnosed at birth was 25 to 29 per million births.
9.
Sacrococcygeal teratomas, tumours formed from different types of tissue, that can form, are thought to be related to primitive streak remnants, which ordinarily disappear.
10.
Add to that number sacrococcygeal teratomas diagnosed later in life, and teratomas in other locales, and the incidence approaches ten thousand new diagnoses of teratoma per year.
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