XVIII - The Male Genital System Flashcards
Hypospadias. SEE SLIDE 18.1 (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 687
An abnormal opening of the urethra along the ventral aspect of the penis.
Epispadias. SEE SLIDE 18.1 (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 687
An abnormal opening of the urethra along the dorsal aspect of the penis.
Bladder extrophy. SEE SLIDE 18.2 (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 688
A congenital malformation of the bladder associated with epispadias.
Phimosis. SEE SLIDE 18.1 (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 688
A condition in which the prepuce cannot be retracted easily over the glans penis
Bowen disease. SEE SLIDE 18.3 (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 688
Appears grossly as a solitary, plaquelike lesion on the shaft of the penis. Histologic examination reveals morphologically malignant cells throughout the epidermis with no invasion of the underlying stroma. Has potential for malignant transformation.
Erythroplasia of Queyrat. SEE SLIDE 18.3 (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 688
Bowen disease which presents as an erythematous patch on the glans penis.
Bowenoid papulosis. SEE SLIDE 18.4 (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 688
Occurs in young, sexually active males, histologically identical to Bowen disease. Presents with multiple reddish brown papules on the glans and is most often transient, with rare progression to carcinoma in immunocompetent patients.
Squamous cell carcinoma of the penis. SEE SLIDE 18.4 (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 689
Appears as a gray, crusted, papular lesion, most commonly on the glans penis or prepuce, which infiltrates the underlying connective tissue to produce an indurated, ulcerated lesion with irregular margins.
Verrucous carcinoma (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 689
A variant of squamous cell carcinoma characterized by a papillary architecture, less striking cytologic atypia, and rounded, pushing deep margins.
Hydrocele(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 689
Most common cause of scrotal enlargement, which is an accumulation of serous fluid within the tunica vaginalis usually secondary to infection or malignancy.
Cryptorchidism(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 690
Represents failure of testicular descent into the scrotum which involves the right testis more commonly than the left. Causes increased risk of sterility and development of testicular cancer.
Testicular neoplasms(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 690
Most important cause of firm, painless enlargement of the testis.
Seminomas(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 691
Composed of sheets of large, uniform cells with distinct cell borders, clear, glycogen-rich cytoplasm, and round nuclei with conspicuous nucleoli. The cells are often arrayed in small lobules with intervening fibrous septa. SEE SLIDE 18.5.
Spermatocytic seminoma(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 691
These tumors contain a mixture of medium-sized cells, large uninucleate or multinucleate tumor cells, and small cells with round nuclei that are reminiscent of secondary spermatocytes.
Embryonal carcinoma of the testis(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 692
Large and primitive-looking with indistinct cell borders, large nuclei, and basophilic cytoplasm. SEE SLIDE 18.6
Yolk sac tumors/endodermal sinus tumors(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 692
Most common primary testicular neoplasm in children younger than 3 years of age.
Yolk sac tumors/endodermal sinus tumors(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 692
Low cuboidal to columnar epithelial cells forming microcysts, sheets, glands, and papillae, often associated with eosinophilic hyaline globules. (+) Schiller-Duval bodies. SEE SLIDE 18.7
Schiller-Duval bodies. SEE SLIDE 18.7 (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 692
Structures resembling primitive glomeruli, seen in yolk sac tumors.
Choriocarcinomas (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 692
Cytotrophoblast and syncytiotrophoblast without villus formation. SEE SLIDE 18.8
Teratomas(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 692
Tissues from all three germ-cell layers with varying degrees of differentiation
Mature teratomas. SEE SLIDE 18.9 (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 692
Teratoma which contain fully differentiated tissues from one or more germ cell layers (e.g., neural tissue, cartilage, adipose tissue, bone, epithelium) in a haphazard array.
Immature teratomas. SEE SLIDE 18.9 (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 692
Teratoma which contain immature somatic elements reminiscent of those in developing fetal tissue.
Acute prostatitis (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 695
Characterized by the presence of an acute, neutrophilic inflammatory infiltrate, congestion, and stromal edema of the prostate.
Chronic prostatitis (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 695
Characterized by variable amount of lymphoid infiltrate, evidence of glandular injury, and, frequently, concomitant acute inflammatory changes of the prostate.
Inner (central and transitional) region of the prostate(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 696
Nodular hyperplasia is usually more pronounced in what part/s of the prostate?
Nodular Hyperplasia of the Prostate (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 697
Composed of proliferating prostatic glandular elements and fibromuscular stroma. The glandular lumina often contain inspissated, proteinaceous secretory material, termed corpora amylacea. SEE SLIDE 18.10
DHT (Dihydrotestosterone)(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 698
Major hormonal stimulus for proliferation in nodular hyperplasia of the prostate.
Outer (peripheral) glands (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 698
Most common area of the prostate affected by prostatic carcinoma.
Prostate specific antigen (PSA)(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 700
Concentration of this biochemical marker is of great value in monitoring patients after treatment for prostate cancer.
Gleason system(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 700
A commonly used method for grading prostatic carcinoma, which is based on features such as the degree of glandular differentiation, the architecture of the neoplastic glands, nuclear anaplasia, and mitotic activity.
Syphilis(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 702
A chronic venereal infection caused by the spirochete Treponema pallidum, whose fundamental microscopic lesion is a proliferative endarteritis and an accompanying inflammatory infiltrate rich in plasma cells.
Gumma(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 702
An irregular, firm mass of necrotic tissue surrounded by resilient connective tissue. Contains a central zone of coagulation necrosis surrounded by a mixed inflammatory infiltrate composed of lymphocytes, plasma cells, epithelioid cells, giant cells, and a peripheral zone of dense fibrous tissue. Seen in tertiary syphilis.
Primary Syphilis (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 702
This stage of syphilis is characterized by the presence of an indurated chancre at the site of initial inoculation, associated with painless regional lymphadenopathy.
Secondary syphilis(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 702
Both nontreponemal and antitreponemal antibody tests are strongly positive in virtually all cases of this stage of syphilis.
Gonorrhea (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 705
In males this is manifested most often as a purulent urethral discharge, associated with an edematous, congested urethral meatus. Gram stain of urethral discharge, demonstrates the characteristic gram-negative, intracellular diplococci.
Chlamydia trachomatis(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 707
A gram-negative intracellular bacterium that causes a disease that is clinically indistinguishable from gonorrhea in both men and in women.
Reiter syndrome(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 707
C. trachomatis infection causing a triad of reactive arthritis, conjunctivitis and generalized mucocutaneous lesions. Seen in patients who are HLA-B27 positive.
Lymphogranuloma venereum (LGV) (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 707
This STD is a chronic, ulcerative disease caused by certain strains of C. trachomatis, which presents with nonspecific urethritis, papular or ulcerative lesions involving the lower genitalia, regional adenopathy, or an anorectal syndrome.
Chancroid ulcer caused by H. ducreyi (TOPNOTCH)Robbins Basic Pathology, 9th ed., p 677
This STD is an acute, ulcerative infection caused by Haemophilus ducreyi, a small, gram-negative coccobacillus. The lesion is an irregular ulcer (single or multiple), whose base is covered by a shaggy, yellow-gray exudate. Regional lymph nodes are enlarged and tender.
Granuloma Inguinale (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 708
A chronic inflammatory disease caused by Calymmatobacterium granulomatis. The organisms are demonstrable in Giemsa-stained smears of the exudate as minute coccobacilli within vacuoles in macrophages (Donovan bodies). Regional lymph nodes are typically spared.
HSV 2(TOPNOTCH)Robbins Basic Pathology, 8th ed., p 708
The initial lesions of this infection are painful, erythematous vesicles on the mucosa or skin of the lower genitalia and adjacent extra-genital sites. Cowdry type A inclusions appear as light purple, homogeneous intranuclear structures surrounded by a clear halo.
Condylomata acuminata (TOPNOTCH)Robbins Basic Pathology, 8th ed., p 709
Caused by HPV types 6 and 11. Lesions vary from small, sessile lesions to large, papillary proliferations measuring several centimeters in diameter.
Ureteropelvic junction obstruction (TOPNOTCH)
What is the most common cause of hydronephrosis in infants and children?