1-20 of 2846 Search Results for

left

Sort by
Images
SUPERFICIAL SPREADING MELANOMA ARISING IN ASSOCIATION WITH A NEVUS  A: Asym...
Published: 01 February 2024
SUPERFICIAL SPREADING MELANOMA ARISING IN ASSOCIATION WITH A NEVUS Figure 20-1 SUPERFICIAL SPREADING MELANOMA ARISING IN ASSOCIATION WITH A NEVUS A: Asymmetric silhouette of the lesion of a teenager shows an ulcerated nodular growth on the right side and a plaque lesion of a compound nevus on the left. B: Compound melanocytic nevus with bland cytologic features. C: In situ and invasive melanoma are characterized by architectural disorder and nuclear atypia. D: The primary invasive melanoma contains sheets of atypical melanocytes, some of which are in mitosis. E: Metastatic melanoma in the sentinel lymph node. F: The tumor cells homogenously express BRAF V600E. More about this image found in SUPERFICIAL SPREADING MELANOMA ARISING IN ASSOCIATION WITH A NEVUS A: Asym...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-20
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... of a compound nevus on the left. B: Compound melanocytic nevus with bland cytologic features. C: In situ and invasive melanoma are characterized by architectural disorder and nuclear atypia. D: The primary invasive melanoma contains sheets of atypical melanocytes, some of which are in mitosis. E: Metastatic...
Images
INVASIVE CARCINOMA  In this case of solid papillary carcinoma with mucin pr...
Published: 01 January 2024
INVASIVE CARCINOMA Figure 7-32 INVASIVE CARCINOMA In this case of solid papillary carcinoma with mucin production, there are areas of conventional invasive ductal carcinoma (upper left of field), as well as areas with mucinous differentiation (lower left of field). More about this image found in INVASIVE CARCINOMA In this case of solid papillary carcinoma with mucin pr...
Images
TUBULAR CARCINOMA  A: Low power demonstrates areas of flat epithelial atypi...
Published: 01 January 2024
TUBULAR CARCINOMA Figure 8-43 TUBULAR CARCINOMA A: Low power demonstrates areas of flat epithelial atypia at the left of the field. In the center, a small glandular proliferation is haphazardly arrayed in the stroma. B: There is some stromal elastosis associated with the carcinoma. More about this image found in TUBULAR CARCINOMA A: Low power demonstrates areas of flat epithelial atypi...
Images
ANGIOSARCOMA  This image illustrates the frequent finding of varied pattern...
Published: 01 January 2024
ANGIOSARCOMA Figure 11-24 ANGIOSARCOMA This image illustrates the frequent finding of varied patterns of differentiation within the same lesion. On the left side of the image, the angiosarcoma could be classified as well-differentiated; on the right side of the image, the growth pattern is solid ... More about this image found in ANGIOSARCOMA This image illustrates the frequent finding of varied pattern...
Images
ATYPICAL PAPILLARY PROLIFERATION WITH “MISSING” MICROCALCIFICATION  There i...
Published: 01 January 2024
ATYPICAL PAPILLARY PROLIFERATION WITH “MISSING” MICROCALCIFICATION Figure 15-4 ATYPICAL PAPILLARY PROLIFERATION WITH “MISSING” MICROCALCIFICATION There is a fine horizontal tear in the tissue with a small space in the proliferation at the left of the field. This phenomenon occurs when a calcifica... More about this image found in ATYPICAL PAPILLARY PROLIFERATION WITH “MISSING” MICROCALCIFICATION There i...
Images
BIOPSY CLIP SITE  In this scanning magnification image, a positive lymph no...
Published: 01 January 2024
BIOPSY CLIP SITE Figure 14-3 BIOPSY CLIP SITE In this scanning magnification image, a positive lymph node is seen on the left, and on the right is histologic evidence of the biopsy clip site, which must be identified and documented in any case in which preoperative lymph node sampling has occurre... More about this image found in BIOPSY CLIP SITE In this scanning magnification image, a positive lymph no...
Images
TUBULAR CARCINOMA  A: Tubular carcinoma with stromal desmoplasia and elasto...
Published: 01 January 2024
TUBULAR CARCINOMA Figure 8-44 TUBULAR CARCINOMA A: Tubular carcinoma with stromal desmoplasia and elastosis. B: Focus of flat epithelial atypia is present at the lower portion of the field. C: At higher power, the cytologic similarity of the cells in the flat epithelial atypia (lower left) and ... More about this image found in TUBULAR CARCINOMA A: Tubular carcinoma with stromal desmoplasia and elasto...
Images
TUBULOLOBULAR CARCINOMA  A: LCIS is present in the center of the field; ang...
Published: 01 January 2024
TUBULOLOBULAR CARCINOMA Figure 8-45 TUBULOLOBULAR CARCINOMA A: LCIS is present in the center of the field; angulated glands of tubular carcinoma present at the top of the field begin to merge with invasive lobular carcinoma cells at the left side of the field. B,C: High power of the tubular (B) ... More about this image found in TUBULOLOBULAR CARCINOMA A: LCIS is present in the center of the field; ang...
Images
TUMOR BED FOLLOWING NEOADJUVANT CHEMOTHERAPY  A: At low power, sheets of fo...
Published: 01 January 2024
TUMOR BED FOLLOWING NEOADJUVANT CHEMOTHERAPY Figure 2-17 TUMOR BED FOLLOWING NEOADJUVANT CHEMOTHERAPY A: At low power, sheets of foamy histiocytes indicate the site of original tumor. Abundant hemosiderin is also present at the periphery of the tumor bed (upper left of field). B: High power show... More about this image found in TUMOR BED FOLLOWING NEOADJUVANT CHEMOTHERAPY A: At low power, sheets of fo...
Images
PLEOMORPHIC WITH ADJACENT CLASSIC LOBULAR CARCINOMA IN SITU  A: Intermediat...
Published: 01 January 2024
PLEOMORPHIC WITH ADJACENT CLASSIC LOBULAR CARCINOMA IN SITU Figure 4-17 PLEOMORPHIC WITH ADJACENT CLASSIC LOBULAR CARCINOMA IN SITU A: Intermediate-power image shows adjacent areas of classic (right side of image) and pleomorphic LCIS (central and left side of image). B: High power shows the lar... More about this image found in PLEOMORPHIC WITH ADJACENT CLASSIC LOBULAR CARCINOMA IN SITU A: Intermediat...
Images
ACINIC CELL CARCINOMA  A: At low power, the tumor is seen to be composed of...
Published: 01 January 2024
ACINIC CELL CARCINOMA Figure 6-22 ACINIC CELL CARCINOMA A: At low power, the tumor is seen to be composed of small round glands, some with luminal eosinophilic secretions. Scattered cells with coarse eosinophilic cytoplasmic granules can be appreciated on the left hand side of the image. B: At h... More about this image found in ACINIC CELL CARCINOMA A: At low power, the tumor is seen to be composed of...
Images
JUVENILE PAPILLOMATOSIS  A: Low-power view demonstrates variably sized cyst...
Published: 01 January 2024
JUVENILE PAPILLOMATOSIS Figure 9-1 JUVENILE PAPILLOMATOSIS A: Low-power view demonstrates variably sized cysts, foci of apocrine metaplasia (lower left), fibroadenomatous change (upper right), micropapillomas, and adenosis. B: Intermediate power of the areas of adenosis, cysts, and micropapillom... More about this image found in JUVENILE PAPILLOMATOSIS A: Low-power view demonstrates variably sized cyst...
Images
PHYLLODES TUMOR  A: This core needle biopsy specimen highlights the extreme...
Published: 01 January 2024
PHYLLODES TUMOR Figure 5-37 PHYLLODES TUMOR A: This core needle biopsy specimen highlights the extreme variability that can be seen in phyllodes tumor, with the area on the right bearing greater resemblance to fibroadenoma, and that on the lower left, malignant phyllodes tumor. B,C: High power o... More about this image found in PHYLLODES TUMOR A: This core needle biopsy specimen highlights the extreme...
Images
MICROGLANDULAR ADENOSIS  A: In this case of microglandular adenosis, the ce...
Published: 01 January 2024
MICROGLANDULAR ADENOSIS Figure 6-16 MICROGLANDULAR ADENOSIS A: In this case of microglandular adenosis, the cells have clear cytoplasm. The small round glands are haphazardly distributed in the stroma. B,C: Intermediate (B) and high (C) power illustrate the bland features of microglandular adeno... More about this image found in MICROGLANDULAR ADENOSIS A: In this case of microglandular adenosis, the ce...
Images
ANGIOSARCOMA  A: Low-power image of a subtle variant of angiosarcoma mimick...
Published: 01 January 2024
ANGIOSARCOMA Figure 11-29 ANGIOSARCOMA A: Low-power image of a subtle variant of angiosarcoma mimicking radiation dermatitis. The cells of concern are seen at the left hand side of the field. B: High-power view shows the scattered highly atypical endothelial cells of angiosarcoma. C: Another hi... More about this image found in ANGIOSARCOMA A: Low-power image of a subtle variant of angiosarcoma mimick...
Images
INVASIVE DUCTAL CARCINOMA AND DUCTAL CARCINOMA IN SITU (DCIS)  A: Frequentl...
Published: 01 January 2024
INVASIVE DUCTAL CARCINOMA AND DUCTAL CARCINOMA IN SITU (DCIS) Figure 8-17 INVASIVE DUCTAL CARCINOMA AND DUCTAL CARCINOMA IN SITU (DCIS) A: Frequently, DCIS is seen admixed and/or surrounding invasive breast carcinomas. The DCIS is recognizable as having more rounded tumor cell nests. B: High-pow... More about this image found in INVASIVE DUCTAL CARCINOMA AND DUCTAL CARCINOMA IN SITU (DCIS) A: Frequentl...
Images
MALIGNANT PHYLLODES TUMOR  A: At low power, the leaf-like projections and h...
Published: 01 January 2024
MALIGNANT PHYLLODES TUMOR Figure 5-30 MALIGNANT PHYLLODES TUMOR A: At low power, the leaf-like projections and highly cellular stroma are immediately apparent. B: At higher power, benign epithelium is seen overlying the leaf-like projections. A myoepithelial cell layer is also visible, particula... More about this image found in MALIGNANT PHYLLODES TUMOR A: At low power, the leaf-like projections and h...
Images
SECRETORY CARCINOMA  A: This case of secretory carcinoma has areas with pap...
Published: 01 January 2024
SECRETORY CARCINOMA Figure 9-3 SECRETORY CARCINOMA A: This case of secretory carcinoma has areas with papillary and micropapillary architecture. There are secretions present in some microcystic/cribriform spaces. Dense fibrous stroma is seen. B: At higher power, the cells have finely vacuolated ... More about this image found in SECRETORY CARCINOMA A: This case of secretory carcinoma has areas with pap...
Images
SCAR  A: Low-power view of a biopsy site following a core needle procedure ...
Published: 01 January 2024
SCAR Figure 11-18 SCAR A: Low-power view of a biopsy site following a core needle procedure shows a spindle cell proliferation with associated hemosiderin-laden macrophages, indicative of scar formation rather than a neoplastic process. B: At intermediate power, the bland spindle cells and infla... More about this image found in SCAR A: Low-power view of a biopsy site following a core needle procedure ...