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tumor

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BENIGN SOLITARY FIBROUS <span class="search-highlight">TUMOR</span>  <span class="search-highlight">Tumor</span> cells show diffuse nuclear positivity ...
Published: 01 June 2022
BENIGN SOLITARY FIBROUS TUMOR Figure 5-6 BENIGN SOLITARY FIBROUS TUMOR Tumor cells show diffuse nuclear positivity for STAT6. Weak and patchy nuclear or cytoplasmic staining should be regarded as a negative result. More
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DIFFUSEMESOTHELIOMA: PLEURA  The <span class="search-highlight">tumor</span> extends along a needle tract and als...
Published: 01 June 2022
DIFFUSEMESOTHELIOMA: PLEURA Figure 3-8 DIFFUSEMESOTHELIOMA: PLEURA The tumor extends along a needle tract and also infiltrates a surgical scar. (Courtesy of Dr. D. Henderson, Adelaide, Australia) More
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DIFFUSE MESOTHELIOMA: PLEURA  At autopsy, small <span class="search-highlight">tumor</span> nodules are present i...
Published: 01 June 2022
DIFFUSE MESOTHELIOMA: PLEURA Figure 3-9 DIFFUSE MESOTHELIOMA: PLEURA At autopsy, small tumor nodules are present in the contralateral lung, as well as diffuse pleural thickening. More
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DIFFUSE MESOTHELIOMA: PLEURA  Metastatic <span class="search-highlight">tumor</span> nodules are seen on the surf...
Published: 01 June 2022
DIFFUSE MESOTHELIOMA: PLEURA Figure 3-10 DIFFUSE MESOTHELIOMA: PLEURA Metastatic tumor nodules are seen on the surface of the liver at postmortem examination. More
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DIFFUSE MESOTHELIOMA: PERITONEUM  The <span class="search-highlight">tumor</span> is nodular and hemorrhagic.
Published: 01 June 2022
DIFFUSE MESOTHELIOMA: PERITONEUM Figure 3-12 DIFFUSE MESOTHELIOMA: PERITONEUM The tumor is nodular and hemorrhagic. More
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DIFFUSE MESOTHELIOMA: PERITONEUM  The <span class="search-highlight">tumor</span> is strikingly myxoid.
Published: 01 June 2022
DIFFUSE MESOTHELIOMA: PERITONEUM Figure 3-13 DIFFUSE MESOTHELIOMA: PERITONEUM The tumor is strikingly myxoid. More
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EPITHELIOID MESOTHELIOMA  <span class="search-highlight">Tumor</span> infiltrates through fat into skeletal muscl...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA Figure 3-15 EPITHELIOID MESOTHELIOMA Tumor infiltrates through fat into skeletal muscle. More
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EPITHELIOID MESOTHELIOMA  Infiltrating <span class="search-highlight">tumor</span> cells are compressed between c...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA Figure 3-17 EPITHELIOID MESOTHELIOMA Infiltrating tumor cells are compressed between collagen fibers making it difficult to differentiate from sarcomatoid morphology. More
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EPITHELIOID MESOTHELIOMA:TUBULOPAPILLARY PATTERN  The <span class="search-highlight">tumor</span> forms tubular s...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA:TUBULOPAPILLARY PATTERN Figure 3-24 EPITHELIOID MESOTHELIOMA:TUBULOPAPILLARY PATTERN The tumor forms tubular structures and spaces into which project papillae with fibrovascular cores. Benign-appearing mesothelium is seen at the bottom. More
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EPITHELIOID MESOTHELIOMA: TRABECULAR PATTERN  The <span class="search-highlight">tumor</span> cells form thick co...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA: TRABECULAR PATTERN Figure 3-28 EPITHELIOID MESOTHELIOMA: TRABECULAR PATTERN The tumor cells form thick cords invading loose fibromyxoid stroma. More
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EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC  The <span class="search-highlight">tumor</span> cells ...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC Figure 3-31 EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC The tumor cells form small gland-like spaces, which are lined by bland, flat to low cuboidal cells. More
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EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC  The <span class="search-highlight">tumor</span> cells ...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC Figure 3-34 EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC The tumor cells have very low-grade morphology and show a cribriform pattern mixed with solid nests, reminiscent of adenoid cystic carcinoma. More
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EPITHELIOID MESOTHELIOMA:MICROPAPILLARY AND PAPILLARY PATTERN  The <span class="search-highlight">tumor</span> ce...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA:MICROPAPILLARY AND PAPILLARY PATTERN Figure 3-35 EPITHELIOID MESOTHELIOMA:MICROPAPILLARY AND PAPILLARY PATTERN The tumor cells form multiple small papillae, most of which do not have fibrovascular cores, while others do. Mixed patterns are common. More
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EPITHELIOID MESOTHELIOMA:MICROPAPILLARY PATTERN  The <span class="search-highlight">tumor</span> forms micropapil...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA:MICROPAPILLARY PATTERN Figure 3-36 EPITHELIOID MESOTHELIOMA:MICROPAPILLARY PATTERN The tumor forms micropapillary projections into spaces within the stroma. The tumor cells in this case are pleomorphic, with tumor giant cells and prominent nucleoli. More
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EPITHELIOID MESOTHELIOMA:WITH SIGNET RING CELLS  The <span class="search-highlight">tumor</span> cells have a cle...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA:WITH SIGNET RING CELLS Figure 3-38 EPITHELIOID MESOTHELIOMA:WITH SIGNET RING CELLS The tumor cells have a clear intracytoplasmic vacuole, giving them a signet ring cell appearance. This pattern puts signet ring cell carcinoma in the differential diagnosis. More
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EPITHELIOID MESOTHELIOMA: WITH CLEAR CELLS  The cytoplasm of the <span class="search-highlight">tumor</span> cell...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA: WITH CLEAR CELLS Figure 3-39 EPITHELIOID MESOTHELIOMA: WITH CLEAR CELLS The cytoplasm of the tumor cells is variably clear. More
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EPITHELIOID MESOTHELIOMA: LIPIDIZED  The <span class="search-highlight">tumor</span> cells have microvacuolated c...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA: LIPIDIZED Figure 3-40 EPITHELIOID MESOTHELIOMA: LIPIDIZED The tumor cells have microvacuolated cytoplasm. More
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EPITHELIOID MESOTHELIOMA: DECIDUOID  Left: The <span class="search-highlight">tumor</span> cells are large and po...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA: DECIDUOID Figure 3-41 EPITHELIOID MESOTHELIOMA: DECIDUOID Left: The tumor cells are large and polygonal, with well-defined cell borders, dense eosinophilic cytoplasm, and a low nuclear to cytoplasmic ratio. Right: A different field from the same case shows that not all ... More
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EPITHELIOID MESOTHELIOMA: TRANSITIONAL  Left: The <span class="search-highlight">tumor</span> cells are somewhat ...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA: TRANSITIONAL Figure 3-47 EPITHELIOID MESOTHELIOMA: TRANSITIONAL Left: The tumor cells are somewhat spindled but have more cytoplasm, giving an appearance that is between epithelioid and sarcomatoid. Right: High-power view shows ovoid cells morphologically between overt ... More
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EPITHELIOID MESOTHELIOMA  The <span class="search-highlight">tumor</span> is infiltrating the lung with a desquam...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA Figure 3-49 EPITHELIOID MESOTHELIOMA The tumor is infiltrating the lung with a desquamative interstitial pneumonia (DIP)-like pattern. More