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Book Chapter

Sexually Transmitted Diseases

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-30
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... metaplasia, and even mild papillomatosis ( fig. 30-3 ). Similar inflammatory changes can be seen at other sites of infection. In men, symptomatic infection usually results in a urethral discharge and dysuria, and T. vaginalis is becoming an increasingly recognized cause of nongonococcal urethritis...
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Book Chapter

Liver and Gastrointestinal Tract

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-26
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
.... There may be prominent epidermal hyperplasia and papillomatosis, particularly in the anogenital region, which may clinically simulate malignancy ( fig. 26-9 ). Trophozoites are usually readily identified in the ulcer floor. A hepatic abscess may be complicated by perforation and secondary amebic peritonitis...
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Book Chapter

Sexually Transmitted and Urogenital Infections

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 20
Published: 01 September 2024
10.55418/9781933477435-09
ISBN-10: 1-933477-43-1
ISBN: 978-1-933477-43-5
... Squamous hyperplasia/acanthosis, papillomatosis Parakeratosis, less commonly hyperkeratosis Hyperkeratosis, parakeratosis Papillary architecture may be present Cells affected by cytologic changes More prominent in superficial layers Immature cells in the lower third of the epithelium, with minimal...
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Images
Figure 9-1

JUVENILE PAPILLOMATOSIS A: Low-power view demonstrates variably sized cyst...

in Breast Lesions in Children and Adolescents > Tumors of the Mammary Gland
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 More about this image found in JUVENILE PAPILLOMATOSIS A: Low-power view demonstrates variably sized cyst...
Book Chapter

Breast Lesions in Children and Adolescents

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-09
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
...Table 9-1 FEATURES OF JUVENILE PAPILLOMATOSIS Principally affects women 20 to 30 years of age Approximately 1/3 of patients have a family history of breast cancer Characteristic gross appearance  Well-circumscribed mass  Multiple cysts and dilated ducts (“Swiss cheese” appearance...
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Book Chapter

Nipple Disorders

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-13
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... . Am J Surg   2006 ; 192 : 528 - 9 . 7. Lester   SC , Lee   AH . Nipple adenoma . In: WHO Classification of Tumours Editorial Board . Breast tumours , 5th ed. Lyon : IARC ; 2019 . 8. Jones   DB . Florid papillomatosis of the nipple ducts . Cancer   1955 ; 8 : 315...
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Book Chapter

Adenosis and Sclerosing Lesions

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-06
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
...-grade lesions Epithelial elements Cells have cytologic features of usual ductal hyperplasia, papillomatosis and adenosis Apocrine metaplasia and microcysts often present When involved by DCIS a , architectural and cytologic atypia within the proliferation are present Cytologic atypia...
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Book Chapter

Papillary Lesions

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-07
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... apocrine, squamous, or even sebaceous metaplasia ( fig. 7-41 ) ( 39 – 41 ). Sometimes, it is difficult to determine whether any squamous metaplasia present is in the epithelial or the myoepithelial component. Less frequently, there may epithelial hyperplasia or frank papillomatosis. Three variants have...
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Book Chapter

Venous and Lymphatic Disease

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch33
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... projections. Histologically, the lymphatic spaces are dilated, and fibrosis in the dermis and subcutaneous tissue develops, along with hyperkeratosis, papillomatosis, and pseudoepitheliomatous hyperplasia involving the epidermis ( fig. 33-24 ) ( 69 ). Prominent fibrous septations may develop in subcutaneous...
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Images
Figure 5-2

ACROCHORDON Minimal acanthosis of the overlying epithelium and absence of ...

in Tumors and Tumor-Like Lesions of the Vulva > Tumors of the Cervix, Vagina, and Vulva
Published: 01 February 2023
ACROCHORDON Figure 5-2 ACROCHORDON Minimal acanthosis of the overlying epithelium and absence of papillomatosis are seen. More about this image found in ACROCHORDON Minimal acanthosis of the overlying epithelium and absence of ...
Images
Figure 4-1

EXOPHYTIC CONDYLOMA Left: There is prominent exophytic growth with papillo...

in Tumors and Tumor-Like Lesions of the Vagina > Tumors of the Cervix, Vagina, and Vulva
Published: 01 February 2023
EXOPHYTIC CONDYLOMA Figure 4-1 EXOPHYTIC CONDYLOMA Left: There is prominent exophytic growth with papillomatosis. Right: Koilocytic atypia in the upper epithelial layers is seen, characterized by nuclear enlargement, nuclear membrane irregularity, hyperchromasia, and irregularly-distributed More about this image found in EXOPHYTIC CONDYLOMA Left: There is prominent exophytic growth with papillo...
Book Chapter

Intraductal Neoplasms

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 15
Published: 01 March 2023
10.55418/9781933477275-06
ISBN-10: 1-933477-27-X
ISBN: 978-1-933477-27-5
... series . Pancreatology   2017 ; 17 : 490 - 6 . 20. Haban   G . Papillomatosis and carcinoma of the ductal system of the pancreas . Virchows Arch A Pathol Anat   1936 ; 297 : 207 - 20 . 21. Gourevitch   A , Whitfield   AG . Total pancreatectomy . Br J Surg   1952 ; 40 : 104 - 7...
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Book Chapter

Tumors and Tumor-Like Lesions of the Vagina

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
10.55418/9781933477268-4
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
... epithelium with an endometrial or tubal (ciliated) appearance. EXOPHYTIC CONDYLOMA Figure 4-1 EXOPHYTIC CONDYLOMA Left: There is prominent exophytic growth with papillomatosis. Right: Koilocytic atypia in the upper epithelial layers is seen, characterized by nuclear enlargement, nuclear membrane...
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Book Chapter

Tumors and Tumor-Like Lesions of the Vulva

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
10.55418/9781933477268-5
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
... Introital “papilloma” (plicaform, normal glycogenated epithelium), acrochordon or fibroepithelial stromal polyp (no acanthosis or papillomatosis) Verruciform xanthoma (foamy histiocytes within dermal papillae, dyskeratosis) HPV-negative seborrheic keratosis (normal Ki-67 distribution) LSIL...
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Images
Figure 3-133

VERRUCOUS CARCINOMA Left: Florid hyperkeratosis is noted. Right: The tumo...

in Tumors of the Urinary Bladder > Tumors of the Kidney, Bladder, and Related Urinary Structures
Published: 01 November 2021
VERRUCOUS CARCINOMA Figure 3-133 VERRUCOUS CARCINOMA Left: Florid hyperkeratosis is noted. Right: The tumor shows marked epithelial acanthosis, papillomatosis with rounded pushing growth. More about this image found in VERRUCOUS CARCINOMA Left: Florid hyperkeratosis is noted. Right: The tumo...
Images
Figure 4-17

VERRUCOUS SQUAMOUS CELL CARCINOMA A: Gross appearance of verrucous squamou...

in Tumors of the Urethra > Tumors of the Kidney, Bladder, and Related Urinary Structures
Published: 01 November 2021
and stroma. There are papillomatosis, acanthosis, and hyperkeratosis. C: High-power view shows a strong inflammatory stromal response. More about this image found in VERRUCOUS SQUAMOUS CELL CARCINOMA A: Gross appearance of verrucous squamou...
Book Chapter

Tumors of the Urethra

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 9
Published: 01 November 2021
10.55418/9781933477176-4
ISBN-10: 1-933477-17-2
ISBN: 978-1-933477-17-6
...: Microscopic appearance of the same tumor. This well-differentiated squamous cell carcinoma has a broadbased interface between tumor and stroma. There are papillomatosis, acanthosis, and hyperkeratosis. C: High-power view shows a strong inflammatory stromal response. SIGNET RING CELL ADENOCARCINOMA Figure 4...
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Book Chapter

Tumors of the Urinary Bladder

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 9
Published: 01 November 2021
10.55418/9781933477176-3
ISBN-10: 1-933477-17-2
ISBN: 978-1-933477-17-6
... verrucous carcinomas at other sites, these tumors are indolent growths that spread by direct extension and do not metastasize. VERRUCOUS CARCINOMA Figure 3-133 VERRUCOUS CARCINOMA Left: Florid hyperkeratosis is noted. Right: The tumor shows marked epithelial acanthosis, papillomatosis with rounded...
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Book Chapter

Epithelial Tumors

Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 7
Published: 01 September 2021
10.55418/9781933477121-1
ISBN-10: 1-933477-12-1
ISBN: 978-1-933477-12-1
... cuniculatum) is a distinctive variant of well-differentiated cutaneous squamous cell carcinoma characterized by potential for locally aggressive behavior but low metastatic potential. Similar tumors also affect the oral mucosa (florid oral papillomatosis) and the anogenital area (Buschke...
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Images
Figure 9-8

PAPILLOMATOSIS OF GLANS CORONA Left: Regular rows of small papules form a ...

in Tumor-Like Lesions of Penis > Tumors of the Prostate Gland, Seminal Vesicles, Penis, and Scrotum
Published: 01 October 2020
PAPILLOMATOSIS OF GLANS CORONA Figure 9-8 PAPILLOMATOSIS OF GLANS CORONA Left: Regular rows of small papules form a ring around the glans corona. (Fig. 7-35A from Hasmat AI, Das S. The penis. Baltimore: Waverly Press, 1993:94). Right: There is benign epithelial hyperplasia with a vascular More about this image found in PAPILLOMATOSIS OF GLANS CORONA Left: Regular rows of small papules form a ...