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9.8 Endometrioid tumor: 70.9 5.8 Serous cystadenocarcinoma: 44.2 5.5 Papillary: 21.0 4.2 Mucinous cystadenocarcinoma: 77.7 4.0 Ovarian clear-cell carcinoma: 61.5 3.4 Mucinous adenocarcinoma: 49.1 1.3 Cystadenocarcinoma: 50.7 5.5 Carcinoma: 4.1 Carcinoma not otherwise specified 26.8 1.1 Sex cord-stromal tumor: 87.8 0.3 Other carcinomas ...
At surgery, it was found to be a soft 3.0 × 2.1 × 1.8 cm tumor of the submandibular salivary gland. The photo shows the characteristic dark color of an oncocytoma, a rare type of benign neoplasm, at the left side of the image (the normal lobulated salivary gland tissue is to the right).
90% are unilateral (arising in one ovary, the other is unaffected). The tumours can vary in size from less than 1 centimetre (0.39 in) to 30 centimetres (12 in). Borderline and malignant Brenner tumours are possible but each are rare.
Tumor of the ovary vary remarkably as they may arise from any of the 3 cell types of the normal ovary. Ovarian tumors are classified according to the histology of the tumor, obtained in a pathology report. Histology dictates many aspects of clinical treatment, management, and prognosis. The most common forms are:
A Krukenberg tumor refers to a malignancy in the ovary that metastasized from a primary site, classically the gastrointestinal tract, although it can arise in other tissues such as the breast. [1] Gastric adenocarcinoma, especially at the pylorus , is the most common source. [ 2 ]
Micrograph of a mucinous ovarian tumor. H&E stain. Mucinous tumors are a type of ovarian tumor. [1] [2] They are typically large. [3] They are part of the surface epithelial-stromal tumor group of ovarian neoplasms, and account for approximately 36% of all ovarian tumors. [4] Approximately 75% are benign, 10% are borderline and 15% are ...
Tumours vary in size, from tiny spots to large masses, with an average of 10 cm in diameter. Tumours are oval and soft in consistency. On cut-section, histology reveals reticular, trabecular areas with interstitial haemorrhage and Call–Exner bodies-small cyst like spaces interspersed within a Graafian follicle. [citation needed]
Through clinical examination or preoperative imaging techniques, tumors have been reported to range from 3-20 cm. Most ovarian tumors are benign and rarely spread past the ovary. Therefore, surgical removal of the ovary or partial removal of the ovary is sufficient for treatment for malignant tumors.