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Axial view of the left thyroid lobe shows a sponge-like nodule, >75% of the volume of which is occupied by areas with a sponge-like appearance (grade III) with a smooth margin, ovoid shape, and isoechogenicity

Axial view of the left thyroid lobe shows a sponge-like nodule, >75% of the volume of which is occupied by areas with a sponge-like appearance (grade III) with a smooth margin, ovoid shape, and isoechogenicity

Malignant sponge-like nodule in a 38-year-old man. A. Longitudinal view of the left thyroid lobe shows a sponge-like nodule, <50% of the volume of which consists of areas with a sponge-like appearance (grade I), with a smooth margin, ovoid shape, and isoechogenicity. B. Photomicrographic section shows edematous changes in the core of the papillary fronds lining, with papillary carcinoma cells (H&E, ×200). This nodule was diagnosed as papillary carcinoma.

Malignant sponge-like nodule in a 38-year-old man. A. Longitudinal view of the left thyroid lobe shows a sponge-like nodule, <50% of the volume of which consists of areas with a sponge-like appearance (grade I), with a smooth margin, ovoid shape, and isoechogenicity. B. Photomicrographic section shows edematous changes in the core of the papillary fronds lining, with papillary carcinoma cells (H&E, ×200). This nodule was diagnosed as papillary carcinoma.

Representative sonographic images of the 4 diagnostic categories for PCTNs. A, Benign: transverse US image of a right isthmic thyroid nodule (1.1 × 1.7 × 1.8 cm) showing an ovoid shape, isoechogenic and smooth-margined solid component, and a centrally and eccentrically located cystic component in a 30-year-old woman. The nodule was surgically resected because of coexisting thyroid malignancy (nodular hyperplasia by pathology). B, Probably benign: transverse US image of a right thyroid nodule…

Representative sonographic images of the 4 diagnostic categories for PCTNs. A, Benign: transverse US image of a right isthmic thyroid nodule (1.1 × 1.7 × 1.8 cm) showing an ovoid shape, isoechogenic and smooth-margined solid component, and a centrally and eccentrically located cystic component in a 30-year-old woman. The nodule was surgically resected because of coexisting thyroid malignancy (nodular hyperplasia by pathology). B, Probably benign: transverse US image of a right thyroid nodule…

Representative sonographic images of the 5 diagnostic categories for solid thyroid nodules. A, Benign: longitudinal US image, in a 62-year-old man, of a right thyroid nodule (2.2 × 2.7 × 3.1 cm) with an ovoid shape, isoechogenicity, and smooth margin (nodular hyperplasia by pathology). B, Probably benign: transverse US image, in a 31-year-old woman, of a large left thyroid nodule (3.2 × 4.9 × 7.3 cm) with an ovoid shape, inhomogeneous isoechogenicity, and macrolobulated margin (trabecular…

Representative sonographic images of the 5 diagnostic categories for solid thyroid nodules. A, Benign: longitudinal US image, in a 62-year-old man, of a right thyroid nodule (2.2 × 2.7 × 3.1 cm) with an ovoid shape, isoechogenicity, and smooth margin (nodular hyperplasia by pathology). B, Probably benign: transverse US image, in a 31-year-old woman, of a large left thyroid nodule (3.2 × 4.9 × 7.3 cm) with an ovoid shape, inhomogeneous isoechogenicity, and macrolobulated margin (trabecular…

Calcification of a conventional PTC in a 42-year-old woman. A and B, Transverse (A) and longitudinal (B) sonograms showing a 15 × 8-mm heterogeneous markedly hypoechoic mass (arrows) with an ovoid-to-round shape, a poorly defined margin, and microcalcification in the left lobe of the thyroid gland.

Calcification of a conventional PTC in a 42-year-old woman. A and B, Transverse (A) and longitudinal (B) sonograms showing a 15 × 8-mm heterogeneous markedly hypoechoic mass (arrows) with an ovoid-to-round shape, a poorly defined margin, and microcalcification in the left lobe of the thyroid gland.

Synovial Sarcomas:do not arise from synovial cells, and don"t share immunohistochemical or ultrastructural features of synovium. Synovial sarcomas can occur at any age but typically affect young adults; usually present as high-grade tumors. The diagnosis is confirmed by detection of the characteristic reciprocal translocation t(x;18)(p11.2;q11.2). Surgical resection is undertaken whenever possible, in addition to radiation and systemic chemotherapy to maximize likelihood of disease control.

Synovial Sarcomas:do not arise from synovial cells, and don"t share immunohistochemical or ultrastructural features of synovium. Synovial sarcomas can occur at any age but typically affect young adults; usually present as high-grade tumors. The diagnosis is confirmed by detection of the characteristic reciprocal translocation t(x;18)(p11.2;q11.2). Surgical resection is undertaken whenever possible, in addition to radiation and systemic chemotherapy to maximize likelihood of disease control.

Set of 4 Alcohol Ink Ceramic Tile Coasters

Set of 4 Alcohol Ink Ceramic Tile Coasters

stratified squamous epithelium keratinized

stratified squamous epithelium keratinized

Advanced viral gene therapy eradicates prostate cancer in preclinical experiments -- ScienceDaily

Advanced viral gene therapy eradicates prostate cancer in preclinical experiments

Advanced viral gene therapy eradicates prostate cancer in preclinical experiments -- ScienceDaily

This pair of images from space shows a portion of the southern Empty Quarter of the Arabian Peninsula in the country of Oman. On the left is a radar image of the region around the site of the fabled Lost City of Ubar. On the right is an enhanced optical image taken by astronauts onboard the Space Shuttle. Credit: NASA/JPL.

This pair of images from space shows a portion of the southern Empty Quarter of the Arabian Peninsula in the country of Oman. On the left is a radar image of the region around the site of the fabled Lost City of Ubar. On the right is an enhanced optical image taken by astronauts onboard the Space Shuttle. Credit: NASA/JPL.

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