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meningioma

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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
... involvement of the pleura by meningioma occurs via either extension from the spine or by hematogenous spread. Diffuse. Secondary diffuse neoplastic pleural involvement can mimic malignant mesothelioma. This pattern of pseudomesotheliomatous carcinoma is most often, but not exclusively, from a lung source...
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
... in metastasizing uveal melanomas . Science   2010 ; 330 : 1410 – 3 . 19. Abdel-Rahman   MH , Pilarski   R , Cebulla   CM , et al . Germline BAP1 mutation predisposes to uveal melanoma, lung adenocarcinoma, meningioma, and other cancers . J Med Genet   2011 ; 48 : 856 – 9 . 20. Testa...
Images
CUTANEOUS <span class="search-highlight">MENINGIOMA</span>  Left: The tumor is present in the deep dermis.  Right...
Published: 01 September 2021
CUTANEOUS MENINGIOMA Figure 2-212 CUTANEOUS MENINGIOMA Left: The tumor is present in the deep dermis. Right: The tumor cells are bland, epithelioid to ovoid, and encircle collagen bundles. More
Images
CUTANEOUS <span class="search-highlight">MENINGIOMA</span>  Spindled tumor cells wrap around collagen bundles (le...
Published: 01 September 2021
CUTANEOUS MENINGIOMA Figure 2-213 CUTANEOUS MENINGIOMA Spindled tumor cells wrap around collagen bundles (left) and there are calcifications in the form of psammoma bodies (right). More
Images
CUTANEOUS <span class="search-highlight">MENINGIOMA</span>  Left: This tumor forms pseudovascular spaces, giving ...
Published: 01 September 2021
CUTANEOUS MENINGIOMA Figure 2-214 CUTANEOUS MENINGIOMA Left: This tumor forms pseudovascular spaces, giving rise to an infiltrative growth pattern in dermis and superficial subcutis. Right: Spindle cells line the pseudovascular spaces with a dissecting architecture, resembling well-differentiate... More
Images
CUTANEOUS <span class="search-highlight">MENINGIOMA</span>  The tumor cells are positive for EMA.
Published: 01 September 2021
CUTANEOUS MENINGIOMA Figure 2-215 CUTANEOUS MENINGIOMA The tumor cells are positive for EMA. More
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 8
Publisher: American Registry of Pathology
Published: 01 October 2021
DOI: 10.55418/9781933477138-09
ISBN-10: 1-933477-13-X
ISBN: 978-1-933477-13-8
...: immunohistochemical analysis and differential diagnosis with psammomatous meningiomas of craniofacial bones . Oral Surg Oral Med Oral Pathol Oral Radiol Endod   2006 ; 101 : 614 - 9 . 25. Horvai   AE , Jordan   RC . Fibro-osseous lesions of the craniofacial bones: beta-catenin immunohistochemical...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 7
Publisher: American Registry of Pathology
Published: 01 September 2021
DOI: 10.55418/9781933477121-2
ISBN-10: 1-933477-12-1
ISBN: 978-1-933477-12-1
.... Prognosis. Localized cutaneous neurofibroma is benign and diffuse neurofibroma rarely shows malignant transformation ( 292 ). The risk for malignant transformation of plexiform neurofibroma is estimated at 8 to 15 percent ( 294 ). Cutaneous Meningioma Definition . Cutaneous meningiomas...
Images
<span class="search-highlight">MENINGIOMA</span> OF THE OPTIC NERVE  A: Macroscopic photograph of an en bloc exci...
Published: 01 February 2021
MENINGIOMA OF THE OPTIC NERVE Figure 10-4 MENINGIOMA OF THE OPTIC NERVE A: Macroscopic photograph of an en bloc excision of an optic nerve meningioma. The tumor (M) arises from the meninges adjacent to the optic nerve (ON). B: Low-power view of a meningioma (M) infiltrating the meninges of the o... More
Images
PSAMMOMATOUS (FIBROUS) <span class="search-highlight">MENINGIOMA</span>  A: The tumor is encroaching on and focal...
Published: 01 February 2021
PSAMMOMATOUS (FIBROUS) MENINGIOMA Figure 10-5 PSAMMOMATOUS (FIBROUS) MENINGIOMA A: The tumor is encroaching on and focally invading into the optic nerve (ON). It has breached the dura and entered the orbit. The tumor features many basophilic calcifications (psammoma bodies). B: The meningothelia... More
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 3
Publisher: American Registry of Pathology
Published: 01 February 2021
DOI: 10.55418/9781933477923-ch10
ISBN-10: 1-933477-92-X
ISBN: 978-1-933477-92-3
... shows the short ciliary vessel piercing the sclera and reaching the choroid, and the arrowhead shows the artery of the circle of Singh that gives branches to the optic nerve at the levels of the lamina cribrosa and the meninges. Both arterial branches arise from the ophthalmic artery. MENINGIOMA...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 3
Publisher: American Registry of Pathology
Published: 01 February 2021
DOI: 10.55418/9781933477923-ch01
ISBN-10: 1-933477-92-X
ISBN: 978-1-933477-92-3
... for cavernous hemangiomas (usually retrobulbar, intraconal), solitary fibrous tumors, and secondary tumors including metastases. Optic nerve tumors (gliomas in children and meningiomas in adults) may be dissected from the eye and excised from the orbit. Excisional biopsies in formalin should be measured...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 3
Publisher: American Registry of Pathology
Published: 01 February 2021
DOI: 10.55418/9781933477923-ch08
ISBN-10: 1-933477-92-X
ISBN: 978-1-933477-92-3
... . 28. Abdel-Rahman   MH , Pilarski   R , Cebulla   CM , et al .  Germline BAP1 mutation predisposes to uveal melanoma, lung adenocarcinoma, meningioma, and other cancers . J Med Genet   2011 ; 48 : 856 - 9 . 29. Damato   BE , Coupland   SE . Differences in uveal melanomas...
Images
SELLAR <span class="search-highlight">MENINGIOMA</span>: MENINGOTHELIAL TYPE  A sellar <span class="search-highlight">meningioma</span> can mimic a pit...
Published: 01 January 2020
SELLAR MENINGIOMA: MENINGOTHELIAL TYPE Figure 6-39 SELLAR MENINGIOMA: MENINGOTHELIAL TYPE A sellar meningioma can mimic a pituitary neuro-endocrine tumor clinically. This tumor exhibits the syncytial and whorled pattern that is characteristic of meningothelial meningioma. (Courtesy of Dr. S. E. C... More
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SELLAR <span class="search-highlight">MENINGIOMA</span>: TRANSITIONAL TYPE  This sellar <span class="search-highlight">meningioma</span> exhibits the m...
Published: 01 January 2020
SELLAR MENINGIOMA: TRANSITIONAL TYPE Figure 6-40 SELLAR MENINGIOMA: TRANSITIONAL TYPE This sellar meningioma exhibits the mixed pattern of syncytial growth and intervening fibroblastic elements that characterize the transitional meningioma. There is focal psammoma body formation; the presence of ... More
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ATYPICAL SELLAR <span class="search-highlight">MENINGIOMA</span>: GRADE II  This sellar <span class="search-highlight">meningioma</span> exhibits patte...
Published: 01 January 2020
ATYPICAL SELLAR MENINGIOMA: GRADE II Figure 6-41 ATYPICAL SELLAR MENINGIOMA: GRADE II This sellar meningioma exhibits patternless growth and hypercellularity. The tumor cells have a high nuclear to cytoplasmic ratio and focally prominent nucleoli. Mitoses were readily identified and the tumor inf... More
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LOCALIZATION OF Ki-67 WITH THE MIB-1 ANTIBODY IN ATYPICAL SELLAR <span class="search-highlight">MENINGIOMA</span>...
Published: 01 January 2020
LOCALIZATION OF Ki-67 WITH THE MIB-1 ANTIBODY IN ATYPICAL SELLAR MENINGIOMA, GRADE II Figure 6-42 LOCALIZATION OF Ki-67 WITH THE MIB-1 ANTIBODY IN ATYPICAL SELLAR MENINGIOMA, GRADE II The lesion exhibits a high Ki-67 labeling index that easily exceeds 5 percent. More
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LOCALIZATION OF PROGESTERONE RECEPTOR IN SELLAR <span class="search-highlight">MENINGIOMA</span>  Most tumor cell...
Published: 01 January 2020
LOCALIZATION OF PROGESTERONE RECEPTOR IN SELLAR MENINGIOMA Figure 6-43 LOCALIZATION OF PROGESTERONE RECEPTOR IN SELLAR MENINGIOMA Most tumor cells exhibit nuclear staining for progesterone receptor with variable intensity. (Courtesy of Dr. S. E. Croul, Toronto, Canada.) More
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SPARSELY GRANULATED LACTOTROPH TUMOR: FIBROSIS AND PSAMMOMA BODIES  Left: S...
Published: 01 January 2020
SPARSELY GRANULATED LACTOTROPH TUMOR: FIBROSIS AND PSAMMOMA BODIES Figure 3-58 SPARSELY GRANULATED LACTOTROPH TUMOR: FIBROSIS AND PSAMMOMA BODIES Left: Sparsely granulated lactotroph tumors often exhibit fibrous stroma. Right: The presence of psammoma bodies suggests a diagnosis of meningioma. T... More
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SOLITARY FIBROUS TUMOR OF THE SELLA  A: Solitary fibrous tumors of the cent...
Published: 01 January 2020
SOLITARY FIBROUS TUMOR OF THE SELLA Figure 10-8 SOLITARY FIBROUS TUMOR OF THE SELLA A: Solitary fibrous tumors of the central nervous system are rare neoplasms that usually present as dura-based masses (e.g. diaphragma sella) and clinically resemble meningiomas. Histologically, they are similar t... More