We reviewed 54 cases of struma ovarii with histologic features diverging from the normal
pattern of benign thyroid tissue. These 54 lesions were divided into proliferative struma (41 …

The natural history of 27 cases of biologically malignant struma ovarii from a series of 88
cases of histologically malignant or histologically proliferative struma ovarii is described. The …

Thyroid tissue is a relatively frequent component of mature teratoma and can occur in 5–
20% of cases. Struma ovarii is defined as ovarian goiter which comprises either entirely or …

Malignant struma ovarii is a very rare tumor, consisting of a struma ovarii with malignant
change. Only 17 examples with metastases have previously been reported. We present a …

Struma ovarii has elicited considerable interest because of its many unique features since
Ludwig Pick first elucidated its relationship to teratoma in the early part of the 20th century …

Struma ovarii that display extraovarian spread or later recurrence is exceedingly rare.
Among 88 patients with “malignant” struma ovarii followed for prolonged periods, several …

Context.—Struma ovarii exhibiting malignant histology are uncommon, and an aggressive
clinical course in the form of initial extraovarian spread or recurrence is even more …

Struma ovarii has elicited considerable interest because of its many unique features since
Ludwig Pick first elucidated its relationship to teratoma in the early part of the 20th century. In …

Thirty cases of struma ovarii with unusual microscopic features are described. They occurred
in women 23 to 71 (average 49) years of age. Most of the patients had the usual symptoms …

Struma ovarii consists of thyroid tissue derived from germ cells in a mature teratoma.
Malignant transformation is very rare, with clinically evident metastatic disease reported in …