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Sarcomatoid variant of salivary duct carcinoma: clinicopathologic and immunohistochemical study of eight cases with review of the literature. 2004

Toshitaka Nagao, and Thomas A Gaffey, and Hiromi Serizawa, and Keiichi Iwaya, and Akinori Watanabe, and Tomoyuki Yoshida, and Kazuto Yamazaki, and Masato Sageshima, and Jean E Lewis
Division of Anatomic Pathology, Mayo Clinic, Rochester, MN 55905, USA.

Salivary duct carcinoma (SDC) is an uncommon, high-grade tumor. We present 8 cases of sarcomatoid SDC, which has been defined recently as a rare variant of SDC. The 8 patients (5 men, 3 women) had a mean age of 63.6 years. Histologically, all tumors were characterized by a biphasic neoplasm composed of both SDC and sarcomatoid elements. In 3 cases, sarcomatoid components showed osteosarcomatous heterologous differentiation. A residual pleomorphic adenoma was detected in 5 tumors. The sarcomatoid component showed focal immunoreactivity for cytokeratin in 4 cases and epithelial membrane antigen in all 8 cases. Diffuse p53 immunostaining was detected in 3 cases, and it was coexpressed in both components. Our observations support the histogenetic theory of a common origin of the carcinomatous and sarcomatoid populations. Of the 13 patients, including our 8, reported to have sarcomatoid SDC arising in a major salivary gland and for whom long-term follow-up data were available, 7 have died of disease (mean survival, 15.6 months). These results indicate that sarcomatoid SDC is a highly aggressive tumor, similar to conventional SDC.

UI MeSH Term Description Entries
D007150 Immunohistochemistry Histochemical localization of immunoreactive substances using labeled antibodies as reagents. Immunocytochemistry,Immunogold Techniques,Immunogold-Silver Techniques,Immunohistocytochemistry,Immunolabeling Techniques,Immunogold Technics,Immunogold-Silver Technics,Immunolabeling Technics,Immunogold Silver Technics,Immunogold Silver Techniques,Immunogold Technic,Immunogold Technique,Immunogold-Silver Technic,Immunogold-Silver Technique,Immunolabeling Technic,Immunolabeling Technique,Technic, Immunogold,Technic, Immunogold-Silver,Technic, Immunolabeling,Technics, Immunogold,Technics, Immunogold-Silver,Technics, Immunolabeling,Technique, Immunogold,Technique, Immunogold-Silver,Technique, Immunolabeling,Techniques, Immunogold,Techniques, Immunogold-Silver,Techniques, Immunolabeling
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D008949 Adenoma, Pleomorphic A benign, slow-growing tumor, most commonly of the salivary gland, occurring as a small, painless, firm nodule, usually of the parotid gland, but also found in any major or accessory salivary gland anywhere in the oral cavity. It is most often seen in women in the fifth decade. Histologically, the tumor presents a variety of cells: cuboidal, columnar, and squamous cells, showing all forms of epithelial growth. (Dorland, 27th ed) Mixed Salivary Gland Tumor,Salivary Gland Tumor, Mixed,Syringoma, Chondroid,Adenomas, Pleomorphic,Chondroid Syringoma,Chondroid Syringomas,Pleomorphic Adenoma,Pleomorphic Adenomas,Syringomas, Chondroid
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000369 Aged, 80 and over Persons 80 years of age and older. Oldest Old
D012468 Salivary Gland Neoplasms Tumors or cancer of the SALIVARY GLANDS. Cancer of Salivary Gland,Non-Sebaceous Lymphadenomas,Salivary Gland Cancer,Salivary Gland Lymphadenomas,Sebaceous Lymphadenomas,Cancer of the Salivary Gland,Neoplasms, Salivary Gland,Cancer, Salivary Gland,Cancers, Salivary Gland,Gland Neoplasm, Salivary,Gland Neoplasms, Salivary,Lymphadenoma, Non-Sebaceous,Lymphadenoma, Salivary Gland,Lymphadenoma, Sebaceous,Lymphadenomas, Non-Sebaceous,Lymphadenomas, Salivary Gland,Lymphadenomas, Sebaceous,Neoplasm, Salivary Gland,Non Sebaceous Lymphadenomas,Non-Sebaceous Lymphadenoma,Salivary Gland Cancers,Salivary Gland Lymphadenoma,Salivary Gland Neoplasm,Sebaceous Lymphadenoma

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