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Book Chapter

Ear and Temporal Bone

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Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 22
Published: 01 June 2025
10.55418/9781933477619-8
ISBN: 978-1-933477-61-9
... and allelic deletions identified ( 1300 , 1313 , 1314 , 1318 , 1335 – 1338 ). Differential Diagnosis. The differential diagnosis histologically includes metastatic clear cell renal cell carcinoma, papillary thyroid carcinoma, and follicular thyroid carcinoma, while choroid plexus papilloma, papillary...
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Book Chapter

Sinonasal Cavity

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Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 22
Published: 01 June 2025
10.55418/9781933477619-1
ISBN: 978-1-933477-61-9
.... Lesions are usually small, with most smaller than 2 cm. Microscopic Findings. Histologically, the lesions are composed of varying proportions of both neurons and glia, without a significant ependymal, choroid plexus, or leptomeningeal component ( fig. 1-130 ). Still, any of these elements may be seen...
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Book Chapter

Hereditary Predisposition to Adrenal Cortical Lesions

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Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 21
Published: 01 December 2024
10.55418/9781933477473-07
ISBN-10: 1-933477-47-4
ISBN: 978-1-933477-47-3
..., leukemias, choroid plexus tumor Lynch syndrome MSH2, MLH1, PMS2, MSH6, EPCAM Carcinoma 3% (adults) Colorectal, endometrial, small bowel, urothelial, pancreatic, prostatic, sebaceous carcinomas Neurofibromatosis type 1 NF1 Carcinoma (in children) <1% Gliomas, malignant...
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Images
Figure 25-2

TOXOPLASMA CHORIORETINITIS Fundoscopic examination shows ...

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in Central Nervous System > Pathology of Non-Helminth Infectious Diseases
Published: 01 September 2024
TOXOPLASMA CHORIORETINITIS Figure 25-2 TOXOPLASMA CHORIORETINITIS Fundoscopic examination shows active lesions, scarring, and choroidal neovascularization. (Courtesy of the Centers for Disease Control and Prevention [CDC] Public Health Image Library [PHIL]) More about this image found in TOXOPLASMA CHORIORETINITIS Fundoscopic examination shows ...
Book Chapter

Central Nervous System

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Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-11
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... with villous abscesses ( fig. 11-4 ) and associated funisitis. Bacteria are usually identified in the villous abscesses and amnion ( fig. 11-4 ). In adults, the pathology is primarily observed in the central nervous system, where there is multifocal mixed (mononuclear cell and neutrophil) meningeal and choroid...
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Book Chapter

Central Nervous System

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Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-25
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... OF TOXOPLASMA GONDII TOXOPLASMA CHORIORETINITIS Figure 25-2 TOXOPLASMA CHORIORETINITIS Fundoscopic examination shows active lesions, scarring, and choroidal neovascularization. (Courtesy of the Centers for Disease Control and Prevention [CDC] Public Health Image Library [PHIL...
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Book Chapter

Central Nervous System

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Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-03
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... , Bean   LA , et al . JC virus infection of meningeal and choroid plexus cells in patients with progressive multifocal leukoencephalopathy . J Neurovirol   2019 ; 25 : 520 - 4 . 83. Berger   JR , Aksamit   AJ , Clifford   DB , et al . PML diagnostic criteria: consensus statement...
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Book Chapter

Blue Nevi and Dermal Melanocytoses

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Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-08
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... multinodular, melanocytic proliferations. The melanoma associated with nevus of Ota is often of choroidal origin. The risk for choroidal melanoma is approximately 1 in 400 per year in Caucasians with nevus of Ota compared to approximately 1 in 200,000 in the general population ( 15 ). Leptomeningeal melanoma...
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Images
Figure 13-2

MATURE TERATOMA A wide variety of tissues can be seen, including: skin (A)...

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in Germ Cell Tumors > Tumors of the Ovary and Fallopian Tube
Published: 01 August 2023
MATURE TERATOMA Figure 13-2 MATURE TERATOMA A wide variety of tissues can be seen, including: skin (A), bone (B), neural tissue (C), cerebellum (D), and choroid plexus (E). Dental tissue is seen (F,G). More about this image found in MATURE TERATOMA A wide variety of tissues can be seen, including: skin (A)...
Images
Figure 13-2

MATURE TERATOMA A wide variety of tissues can be seen, including: skin (A)...

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in Germ Cell Tumors > Tumors of the Ovary and Fallopian Tube
Published: 01 August 2023
MATURE TERATOMA Figure 13-2 MATURE TERATOMA A wide variety of tissues can be seen, including: skin (A), bone (B), neural tissue (C), cerebellum (D), and choroid plexus (E). Dental tissue is seen (F,G). More about this image found in MATURE TERATOMA A wide variety of tissues can be seen, including: skin (A)...
Book Chapter

Germ Cell Tumors

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Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 16
Published: 01 August 2023
10.55418/9781933477282-13
ISBN-10: 1-933477-28-8
ISBN: 978-1-933477-28-2
...-associated teratoma, the neuroglial tissue is surrounded by an exuberant lymphocytic infiltrate with germinal centers ( fig. 13-3 ). MATURE TERATOMA Figure 13-2 MATURE TERATOMA A wide variety of tissues can be seen, including: skin (A), bone (B), neural tissue (C), cerebellum (D), and choroid plexus (E...
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Book Chapter

Pituitary Gland

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Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 13
Published: 01 November 2022
10.55418/9781933477251-1
ISBN-10: 1-933477-25-3
ISBN: 978-1-933477-25-1
... . Colloid cyst of the third ventricle. A comparative immunohistochemical study of neuraxis cysts and choroid plexus epithelium . J Neurosurg   1993 ; 78 : 101 - 11 . 487. Gattuso   P , Reddy   VB , David   O , Spitz   DJ , Haber   MH , eds. Central nervous system . Differential...
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Book Chapter

Testicular Tumors: General Considerations

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Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 12
Published: 01 August 2022
10.55418/9781933477220-01
ISBN-10: 1-933477-22-9
ISBN: 978-1-933477-22-0
...   DV , Gupta   V , Singh   SK . Choroid metastasis from testicular carcinoma: a rare entity . Urol Int   2016 ; 96 : 367 - 9 . 24. Rush   JA , Older   JJ , Richman   AV . Testicular seminoma metastatic to the orbit . Am J Ophthalmol   1981 ; 91 : 258 - 60 . 25...
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Book Chapter

Germ Cell Tumors Not Derived from Germ Cell Neoplasia in Situ

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Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 12
Published: 01 August 2022
10.55418/9781933477220-05
ISBN-10: 1-933477-22-9
ISBN: 978-1-933477-22-0
... cytoplasm in a variably prominent neuropil ( fig. 5-19 ). There may be associated pigmented choroidal epithelium and differentiated neuroglia. Although it has yet to be shown to have prognostic value, we recommend grading by the same method used for ovarian and sacrococcygeal teratomas, which is based...
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Book Chapter

Germ Cell Neoplasia in Situ and Tumors Derived from Germ Cell Neoplasia in Situ

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Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 12
Published: 01 August 2022
10.55418/9781933477220-04
ISBN-10: 1-933477-22-9
ISBN: 978-1-933477-22-0
... of transitional epithelium are common. Pigmented retinal-type epithelium ( fig. 4-169A ) and choroid plexus can be identified in occasional cases. Epithelium typical of kidney, liver, prostate gland ( 588 , 589 ), pancreas, and thyroid gland ( fig. 4-169B ), is less frequent, with a rare report of “struma testis...
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Book Chapter

Core Pathology Patterns in Medical Liver Specimens

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Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 10
Published: 01 January 2022
10.55418/9781933477183-1
ISBN-10: 1-933477-18-0
ISBN: 978-1-933477-18-3
...   S . Necrobiotic xanthogranuloma associated with choroidal infiltration and syncytial giant cell hepatitis . J Neuroophthalmol   2005 ; 25 : 189 – 92 . 124. Fanos   V , Cuccu   A , Nemolato   S , Marinelli   V , Faa   G . A new nonsense mutation of the IGHMBP2 gene...
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Images
Figure 8-12

CHOROIDAL NEVUS COMPARED TO CHOROIDAL MELANOMA Top: A choroidal nevus with...

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in Tumors of the Uvea > Tumors of the Eye and Ocular Adnexa
Published: 01 February 2021
CHOROIDAL NEVUS COMPARED TO CHOROIDAL MELANOMA Figure 8-12 CHOROIDAL NEVUS COMPARED TO CHOROIDAL MELANOMA Top: A choroidal nevus with overlying drusen is seen. Bottom: A choroidal spindle cell melanoma shows the chaotic arrangement of the spindled cells compared with the nevus. More about this image found in CHOROIDAL NEVUS COMPARED TO CHOROIDAL MELANOMA Top: A choroidal nevus with...
Images
Figure 8-15

CHOROIDAL MELANOMA This pigmented mass arises from the choroid. The dome-s...

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in Tumors of the Uvea > Tumors of the Eye and Ocular Adnexa
Published: 01 February 2021
CHOROIDAL MELANOMA Figure 8-15 CHOROIDAL MELANOMA This pigmented mass arises from the choroid. The dome-shaped lesion is confined to the choroid and has not ruptured through Bruch membrane. (Courtesy of Drs. J. H. Francis and D. H. Abramson, New York, NY.) More about this image found in CHOROIDAL MELANOMA This pigmented mass arises from the choroid. The dome-s...
Images
Figure 8-3

SCLERA, CHOROID, RETINAL PIGMENT EPITHELIUM, AND NEUROSENSORY RETINA Start...

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in Tumors of the Uvea > Tumors of the Eye and Ocular Adnexa
Published: 01 February 2021
SCLERA, CHOROID, RETINAL PIGMENT EPITHELIUM, AND NEUROSENSORY RETINA Figure 8-3 SCLERA, CHOROID, RETINAL PIGMENT EPITHELIUM, AND NEUROSENSORY RETINA Starting from the bottom of the figure, first seen is the densely eosinophilic sclera. The loose fibrovascular connective tissue between the sclera More about this image found in SCLERA, CHOROID, RETINAL PIGMENT EPITHELIUM, AND NEUROSENSORY RETINA Start...
Images
Figure 8-10

MELANOCYTOMA OF THE CHOROID Left: Melanocytomas, although characteristical...

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in Tumors of the Uvea > Tumors of the Eye and Ocular Adnexa
Published: 01 February 2021
MELANOCYTOMA OF THE CHOROID Figure 8-10 MELANOCYTOMA OF THE CHOROID Left: Melanocytomas, although characteristically associated with a location at or near the optic nerve, may develop anywhere in the uvea. This choroidal lesion was identified as an incidental lesion in a blind and painful eye More about this image found in MELANOCYTOMA OF THE CHOROID Left: Melanocytomas, although characteristical...