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At least 577 records · Page 32Linked to original sources
PubMed1977

[Collision carcinoma of the thyroid gland in Hashimoto's thyroiditis. Spinocellular carcinoma, arising from a cyst of the thyroglossal duct and a follicular carcinoma with an anaplastic turn].

A collision carcinoma of the thyroid was revealed in a surgically removed thyroid affected with Hashimoto's thyroiditis. A follicular carcinoma composed of rather uniform and spherical cells. The anaplastic carcinoma appeared to collide with structures of a noncornifying squamous cell carcinoma supposed to originate in the isthmic area from a ductus thyreoglossus cyst.

Adenocarcinoma↗
PubMed1995

[Tracheal carcinoma infiltrating the thyroid gland and mimicking subacute thyroiditis. Contribution of Doppler to differential diagnosis].

In the present case Color Coded Doppler showed a marked increase in vascularization in the right lobe of the thyroid with high systolic velocities (1 m/s). This sign was only doubtful compared with clinical, biological and isotopic data. Because of dramatic laryngeal dyspnea, surgery was conducted which allowed the final diagnosis of thyroid invasion by tracheal epidermoid carcinoma. This demonstrates the particular role of Color Coded Doppler in the management of inflammatory thyroid diseases.

Adult↗
PubMed1989

[Comparison of three histometric methods for the comprehension of stimulating effects on the rat thyroid gland].

There exist some histometric methods for the morphological quantification of different strongly stimulating effects on the thyroid gland induced by drugs and/or other chemical substances in dependence upon dose and duration of application. But in respect of technical and temporal expense and also diagnostic statement, there are considerable differences between these recording procedures. Therefore we examined the 3 mostly used methods synchronously (i.e. determination of thyroid epithelial cell height, nuclear volume in thyrocytes, and estimation of relative volume parts in the thyroid gland by the point counting method) by investigating the thyroid glands of methylthiouracil-(MTU)-stimulated rats and corresponding controls in order to compare the diagnostic value and temporal expense. The largest temporal expense was required in the nuclear volume determination, the smallest in the point-counting method. On principle, all 3 procedures allow the determination of hypertrophic alterations but only by help of the point-counting method, also hyperplastic changes are recognizable. By nuclear volume determination, we found significant differences between central and peripheral parts of the thyroid gland. Therefore, to avoid the subjective error, it will be necessary to measure a large number of nuclei in many planes of the gland. Also the determination of epithelial cell high reinforces the subjective error because of the heterological structure especially in unstimulated thyroid gland. If the number of counting points is exactly determined and, full of sense, limited, the point-counting method allows a nearly complete measuring of the whole object to be tested within an acceptable investigation time. In this way, the heterological structure of thyroid gland will be regarded, and comparability and reproducibility are guaranteed on an high level.

Animals↗