Malignant Mixed Tumor of the Thyroid Gland with Skeletal Muscle Fibers
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Malignant Pleomorphic Adenoma (Malignant Mixed Tumor) of the Minor Salivary Glands
Salivary gland tumors accounts for less than 1% of all tumors. Minor salivary gland tumors (MSGTs) are uncommon and make up about 10% of all salivary gland neoplasms. The clinical and histopathological distribution of these tumors vary geographically. A case of a 38 yr old man with a minor salivary gland mass at chin region isreported here. The tumor invaded into the anterior ...
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Introduction: Microcystic adnexal tumor is a rare sclerosing variant of ductal carcinoma of eccrine sweat gland which is deeply invasive. This tumor which is said to have high recurrence rate is often misdiagnosed as other benign or malignant skin lesions and improper treatment is administered. Case Report: We report herein a 59-year-old man who underwent incisional biopsy for a congenital ...
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Extra-skeletal Ewing’s sarcoma is a rare soft tissue malignant neoplasm, morphologically indistinguishable from skeletal Ewing’s sarcoma. The usual sites of involvement are the soft tissues of para-vertebral region, chest wall, and lower extremity. Extra-skeletal Ewing’s sarcoma is rare in the head and neck region and very few cases are reported in the parotid gland. The cytological features...
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Usually mathematicians use Hodgkin-Huxley model or FitzHug-Nagumo model to simulate action potentials of skeletal muscle fibers. These models are electrically excitable, but skeletal muscle fibers are stimulated chemically. To investigate skeletal muscle fibers we use a model with six ordinary differential equations. This dynamical system is sensitive to initial value of some variables so it is...
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Background: Microcystic adnexal tumor is a rare sclerosing variant of ductal carcinoma of eccrine sweat glands which is highly invasive. This tumor is often misdiagnosed as other benign or malignant skin lesions and improper treatment is carried on and is associated with high recurrence rate. Case presen...
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