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urethra

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ANATOMY OF THE VULVA IN RESECTION SPECIMENS  Currently, most vulvar excisio...
Published: 01 February 2023
ANATOMY OF THE VULVA IN RESECTION SPECIMENS Figure 1-21 ANATOMY OF THE VULVA IN RESECTION SPECIMENS Currently, most vulvar excisions performed are conservative (either simple and/or partial vulvectomy). Knowledge of the anatomic location of the partial excision is important for orientation and ma... More about this image found in ANATOMY OF THE VULVA IN RESECTION SPECIMENS Currently, most vulvar excisio...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
10.55418/9781933477268-1
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
...-müllerian hormone secretion which is needed for further development of the duct into male genital tract structures (epididymis, vas deferens, and seminal vesicles). Consequently, the duct involutes. Vestigial remnants may be identified around the urethra and in the vagina (occasionally causing a Gartner...
Book Chapter
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
... (including isolated tumor cell in lymph node) 78.5 - 86.5 T1a IA Tumor 2 cm or less, invasion 1 mm or less 100 T1b IB Tumor 2 cm or less, invasion >1 mm 84 II Lower 1/3 vagina or urethra, anus 58.8 T2 III Stage II and lymph node involvement 43.2 T3 IVA Upper vagina/urethra...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 14
Published: 01 February 2023
10.55418/9781933477268-3
ISBN-10: 1-933477-26-1
ISBN: 978-1-933477-26-8
... rarely documented ( 357 – 359 ). Spread occurs either as direct invasion from a high-stage tumor or pagetoid spread. The latter is often discontinuous, with sparing of urethra and the vulva, and multifocal microscopic involvement of the vagina, cervix, uterus, and adnexa. Also, the primary urothelial...
Book Chapter
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
...EMBRYOLOGY, ANATOMY, AND HISTOLOGY The urethra develops from the caudal portion of the urogenital sinus ( 1 – 4 ). In females, failure of the genital swellings to fuse and growth of the genital tubercle result in a short organ that empties into a vestibule shared with the vagina. The mature female...
Images
Images
NORMAL MALE <span class="search-highlight">URETHRA</span>  In a cross section of penile <span class="search-highlight">urethra</span>, the luminal spac...
Published: 01 November 2021
NORMAL MALE URETHRA Figure 4-3 NORMAL MALE URETHRA In a cross section of penile urethra, the luminal space is surrounded by epithelium, lamina propria, periurethral corpus spongiosum, and tunica albuginea. More about this image found in NORMAL MALE URETHRA In a cross section of penile urethra, the luminal spac...
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Images
NORMAL UROTHELIUM  Proximal <span class="search-highlight">urethra</span> from a 66-year-old man shows basal and ...
Published: 01 November 2021
NORMAL UROTHELIUM Figure 4-4 NORMAL UROTHELIUM Proximal urethra from a 66-year-old man shows basal and parabasal cells with overlying columnar cells. More about this image found in NORMAL UROTHELIUM Proximal urethra from a 66-year-old man shows basal and ...
Images
NORMAL UROTHELIUM  The urothelial cells of the normal <span class="search-highlight">urethra</span> are compact a...
Published: 01 November 2021
NORMAL UROTHELIUM Figure 4-7 NORMAL UROTHELIUM The urothelial cells of the normal urethra are compact and hyperchromatic. They should not be confused with dysplasia. More about this image found in NORMAL UROTHELIUM The urothelial cells of the normal urethra are compact a...
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MUCINOUS ADENOCARCINOMA OF THE PROSTATIC <span class="search-highlight">URETHRA</span>  This is an unusual tumor ...
Published: 01 November 2021
MUCINOUS ADENOCARCINOMA OF THE PROSTATIC URETHRA Figure 4-20 MUCINOUS ADENOCARCINOMA OF THE PROSTATIC URETHRA This is an unusual tumor arising from the proximal urethra (also known as mucin-producing urothelial-type adenocarcinoma of the prostate). The diagnosis is particularly challenging in a p... More about this image found in MUCINOUS ADENOCARCINOMA OF THE PROSTATIC URETHRA This is an unusual tumor ...
Images
MUCINOUS ADENOCARCINOMA OF THE PROSTATIC <span class="search-highlight">URETHRA</span>  Left: The tumor is compos...
Published: 01 November 2021
MUCINOUS ADENOCARCINOMA OF THE PROSTATIC URETHRA Figure 4-21 MUCINOUS ADENOCARCINOMA OF THE PROSTATIC URETHRA Left: The tumor is composed of malignant glands with dissecting mucin pools. Right: High-power view. More about this image found in MUCINOUS ADENOCARCINOMA OF THE PROSTATIC URETHRA Left: The tumor is compos...
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PROSTATIC DUCTAL ADENOCARCINOMA  A: The prostatic <span class="search-highlight">urethra</span> is often involved...
Published: 01 November 2021
PROSTATIC DUCTAL ADENOCARCINOMA Figure 4-22 PROSTATIC DUCTAL ADENOCARCINOMA A: The prostatic urethra is often involved by prostatic ductal adenocarcinoma. Immunostainings for prostatespecific biomarkers are useful to establish the diagnosis. B: The tumor is composed of stratified tall columnar c... More about this image found in PROSTATIC DUCTAL ADENOCARCINOMA A: The prostatic urethra is often involved...
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SQUAMOUS PAPILLOMA OF THE <span class="search-highlight">URETHRA</span>  This rare lesion is composed of papillar...
Published: 01 November 2021
SQUAMOUS PAPILLOMA OF THE URETHRA Figure 4-40 SQUAMOUS PAPILLOMA OF THE URETHRA This rare lesion is composed of papillary proliferations of squamous epithelium with fine fibrovascular cores. More about this image found in SQUAMOUS PAPILLOMA OF THE URETHRA This rare lesion is composed of papillar...
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INVERTED PAPILLOMA OF THE PROSTATIC <span class="search-highlight">URETHRA</span>  Left: This is a polypoid exoph...
Published: 01 November 2021
INVERTED PAPILLOMA OF THE PROSTATIC URETHRA Figure 4-41 INVERTED PAPILLOMA OF THE PROSTATIC URETHRA Left: This is a polypoid exophytic lesion. Right: The lesion is composed of anastomosing islands and trabeculae of normal urothelial cells. More about this image found in INVERTED PAPILLOMA OF THE PROSTATIC URETHRA Left: This is a polypoid exoph...
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VILLOUS ADENOMA OF THE PROSTATIC <span class="search-highlight">URETHRA</span>  Left: The lesion is composed of v...
Published: 01 November 2021
VILLOUS ADENOMA OF THE PROSTATIC URETHRA Figure 4-42 VILLOUS ADENOMA OF THE PROSTATIC URETHRA Left: The lesion is composed of villoglandular structures protruding into the open luminal space. Right: The lining columnar cells display nuclear pseudostratification, nuclear hyperchromasia, and promi... More about this image found in VILLOUS ADENOMA OF THE PROSTATIC URETHRA Left: The lesion is composed of v...
Images
LITTRÉ GLAND  Tubular paraurethral mucinous glands are seen. Mucinous adeno...
Published: 01 November 2021
LITTRÉ GLAND Figure 4-6 LITTRÉ GLAND Tubular paraurethral mucinous glands are seen. Mucinous adenocarcinoma of the prostatic urethra probably originates from the Littré glands. More about this image found in LITTRÉ GLAND Tubular paraurethral mucinous glands are seen. Mucinous adeno...
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SIGNET RING CELL ADENOCARCINOMA  Gross appearance of signet ring cell adeno...
Published: 01 November 2021
SIGNET RING CELL ADENOCARCINOMA Figure 4-18 SIGNET RING CELL ADENOCARCINOMA Gross appearance of signet ring cell adenocarcinoma arising from the proximal urethra. More about this image found in SIGNET RING CELL ADENOCARCINOMA Gross appearance of signet ring cell adeno...
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CONDYLOMA ACUMINATUM  There is a papillary growth pattern. It may be diffic...
Published: 01 November 2021
CONDYLOMA ACUMINATUM Figure 4-34 CONDYLOMA ACUMINATUM There is a papillary growth pattern. It may be difficult to distinguish condyloma acuminatum from squamous papilloma of the urethra (also see fig. 4-40 ). More about this image found in CONDYLOMA ACUMINATUM There is a papillary growth pattern. It may be diffic...
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FIBROEPITHELIAL POLYP  A: The lesion shows polypoid growth, protruding into...
Published: 01 November 2021
FIBROEPITHELIAL POLYP Figure 4-35 FIBROEPITHELIAL POLYP A: The lesion shows polypoid growth, protruding into the urethra from a fairly narrow stalk. B: Fibrovascular stroma with overlying attenuated urothelium. C: Prominent stromal vascularity is seen in this polypoid lesion. More about this image found in FIBROEPITHELIAL POLYP A: The lesion shows polypoid growth, protruding into...