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EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC  Cyst-<span class="search-highlight">like</span> spaces...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC Figure 3-32 EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC Cyst-like spaces are formed by the bland tumor cells. There is amorphous material within the cysts. More
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SARCOMATOID MESOTHELIOMA  Osteoclast-<span class="search-highlight">like</span> benign multinucleated cells are p...
Published: 01 June 2022
SARCOMATOID MESOTHELIOMA Figure 3-60 SARCOMATOID MESOTHELIOMA Osteoclast-like benign multinucleated cells are present in this sarcomatoid mesothelioma which also shows areas of necrosis. In this field, there is more cytoplasmic overlap between sarcomatoid and epithelioid morphologies (transitiona... More
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BIPHASIC MESOTHELIOMA  A: Nodules of osteoid-<span class="search-highlight">like</span> matrix are present in thi...
Published: 01 June 2022
BIPHASIC MESOTHELIOMA Figure 3-67 BIPHASIC MESOTHELIOMA A: Nodules of osteoid-like matrix are present in this biphasic mesothelioma. B: Higher-power view shows a biphasic malignancy with a nodule of osteoid. Foreign body giant cells with talc are also present in this patient who had prior talc p... More
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SARCOMATOID MESOTHELIOMA WITH HETEROLOGOUS ELEMENTS  A: A focus of osteosar...
Published: 01 June 2022
SARCOMATOID MESOTHELIOMA WITH HETEROLOGOUS ELEMENTS Figure 3-61 SARCOMATOID MESOTHELIOMA WITH HETEROLOGOUS ELEMENTS A: A focus of osteosarcoma-like tumor is present. B: There is a focus of osteoid-like matrix. C: More mature bone formation is present. More
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EPITHELIOID MESOTHELIOMA  The tumor 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
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PLEURAL PLAQUE  A computerized tomography (CT) image shows localized fibrou...
Published: 01 June 2022
PLEURAL PLAQUE Figure 8-5 PLEURAL PLAQUE A computerized tomography (CT) image shows localized fibrous plaque-like nodules within the pleura. More
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EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC PATTERN  There ar...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC PATTERN Figure 3-29 EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC PATTERN There are gland-like structures formed by bland mesothelial cells, infiltrating fibrous tissue. More
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EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC  The tumor 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  There is abundan...
Published: 01 June 2022
EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC Figure 3-33 EPITHELIOID MESOTHELIOMA:ADENOMATOID (ACINAR)/MICROCYSTIC There is abundant myxoid stroma, within which the bland tumor cells are floating, forming small cyst-like spaces and nests. More
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BENIGN SOLITARY FIBROUS TUMOR  A,B: The spindle cells may have a patternles...
Published: 01 June 2022
BENIGN SOLITARY FIBROUS TUMOR Figure 5-3 BENIGN SOLITARY FIBROUS TUMOR A,B: The spindle cells may have a patternless arrangement (A), and there may be prominent hemangiopericytoma-like branching blood vessels (B). C,D: Benign solitary fibrous tumors may be densely fibrotic (C) or moderately cell... More
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ORGANIZING PLEURITIS  A: Under the surface fibrin there is granulation tiss...
Published: 01 June 2022
ORGANIZING PLEURITIS Figure 3-107 ORGANIZING PLEURITIS A: Under the surface fibrin there is granulation tissue with capillaries perpendicular to the surface (zonation), characteristic of organizing pleuritis. B: Deeper to the granulation tissue, there is more mature collagen within which foci of... More
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DIFFUSE MESOTHELIOMA: PLEURA  A: Thoracoscopic appearance of more extensive...
Published: 01 June 2022
DIFFUSE MESOTHELIOMA: PLEURA Figure 3-4 DIFFUSE MESOTHELIOMA: PLEURA A: Thoracoscopic appearance of more extensive growth of diffuse mesothelioma involving parietal and visceral pleura. Multiple yellow-white nodules as well as plaque-like growth are seen. (Courtesy of Dr. M. Ferguson, Chicago, IL... More
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 11
Publisher: American Registry of Pathology
Published: 01 June 2022
DOI: 10.55418/9781933477190-6
ISBN-10: 1-933477-19-9
ISBN: 978-1-933477-19-0
... , Somers   GR , Roifman   C , Read   S , Abla   O . Primary effusion lymphoma (PEL)-like lymphoma in a child with congenital immunodeficiency . Pediatr Blood Cancer   2016 ; 63 : 1674 - 6 . 17. Kojima   M , Nakamura   N , Amaki   J , et al . Human herpesvirus 8-unrelated...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 11
Publisher: American Registry of Pathology
Published: 01 June 2022
DOI: 10.55418/9781933477190-3
ISBN-10: 1-933477-19-9
ISBN: 978-1-933477-19-0
...   Lymphohistiocytoid d , e   Deciduoid   Small cell   Clear cell   Signet ring  Stromal features (give percentages for EPD/EPP. For all other samples, state “with … features present”   Myxoid e   Desquamative interstitial pneumonia-like (DIP-like) Sarcomatoid mesothelioma...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 11
Publisher: American Registry of Pathology
Published: 01 June 2022
DOI: 10.55418/9781933477190-5
ISBN-10: 1-933477-19-9
ISBN: 978-1-933477-19-0
... to parietal pleura. BENIGN SOLITARY FIBROUS TUMOR Figure 5-3 BENIGN SOLITARY FIBROUS TUMOR A,B: The spindle cells may have a patternless arrangement (A), and there may be prominent hemangiopericytoma-like branching blood vessels (B). C,D: Benign solitary fibrous tumors may be densely fibrotic (C...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 11
Publisher: American Registry of Pathology
Published: 01 June 2022
DOI: 10.55418/9781933477190-7
ISBN-10: 1-933477-19-9
ISBN: 978-1-933477-19-0
..., with leiomyosarcoma the most common, followed by endometrial stromal sarcoma and adenosarcoma ( 41 ). Sarcomas are more often discrete nodules and less likely to result in ascites ( 38 ). Specifically, in pediatric patients, desmoplastic small round cell tumor and rhabdomyosarcoma cause peritoneal sarcomatosis ( 42...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 11
Publisher: American Registry of Pathology
Published: 01 June 2022
DOI: 10.55418/9781933477190-8
ISBN-10: 1-933477-19-9
ISBN: 978-1-933477-19-0
... show moderate atypia and mitotic activity. PLEURAL PLAQUE Figure 8-5 PLEURAL PLAQUE A computerized tomography (CT) image shows localized fibrous plaque-like nodules within the pleura. THORACOLITH Figure 8-7 THORACOLITH A smooth, partly calcified nodule was removed from the pleural cavity, which...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 11
Publisher: American Registry of Pathology
Published: 01 June 2022
DOI: 10.55418/9781933477190-4
ISBN-10: 1-933477-19-9
ISBN: 978-1-933477-19-0
... origin . Cancer   1971 ; 27 : 109 – 15 . 77. Erber   R , Warth   A , Muley   T , Hartmann   A , Herpel   E , Agaimy   A . BAP1 loss is a useful adjunct to distinguish malignant mesothelioma including the adenomatoid-like variant from benign adenomatoid tumors . Appl...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 11
Publisher: American Registry of Pathology
Published: 01 June 2022
DOI: 10.55418/9781933477190-1
ISBN-10: 1-933477-19-9
ISBN: 978-1-933477-19-0
... of molecules between cells ( 12 ). Studies suggest pores of different sizes are present ( 13 , 14 ). A thin basal layer lies underneath the mesothelial cells, separating the cells from a connective tissue layer that consists of variable amounts of collagen and elastic fibers, fibroblast-like cells, capillaries...
Images
SEVERE PORTAL CHRONIC INFLAMMATION  The patient had acute hepatitis, most l...
Published: 01 January 2022
SEVERE PORTAL CHRONIC INFLAMMATION Figure 1-60 SEVERE PORTAL CHRONIC INFLAMMATION The patient had acute hepatitis, most likely drug-induced liver injury. In general, severe portal inflammation is most likely to be seen in medium- and larger-sized portal tracts. More