Physical Examination of the Male Genitalia Flashcards
What are the functions of the penis?
Excrete urine and introduce semen into the vagina.
The glans penis is formed from what portion of the penis? How large is the opening of the male urethra?
Distal end of the corpus spongiosum.
2mm.
What are normal findings of the skin of the penis?
Thin, redundant, and more darkly pigmented than the rest of the body.
What is contained within the scrotum?
Two pendulous sacs, each containing:
A testis
Epididymis
Spermatic cord
Muscle layer
What is the temperature requirement for spermatogenesis to take place?
Lower than 37 C.
What portion of the male genitalia forms the ejaculatory duct?
Vas deferens.
What produces the major volume of ejaculatory fluid?
The prostate.
What enzyme is secreted by the prostate that liquefies coagulated semen?
Fibrinolysin.
How much blood do the two corpora cavernosa become engorged with in response to an erection?
20-50mL.
What is the condition called when foreskin is tight and cannot be retracted?
Phimosis.
What position do you place a patient to palpate for a hernia?
Knee-chest position.
What is the term for inflammation of the glans penis and a non retractable foreskin?
Balanoposthitis.
What is a condition where the glans penis becomes inflamed due to an infection?
Balanitis.
Thickening of the scrotum from edema is most likely a result of fluid retention associated with what body systems?
Cardiac, renal, or hepatic disease.
A beady or lumpy vas deferens suggests what diseases?
Diabetes, TB, inflammatory changes.
Varying degrees of adolescent maturation during puberty are classified according to what?
The tanner stages.
Define paraphimosis.
Inability to replace foreskin that has been retracted.
Define hypospadias.
A congenital defect where the urethral meatus is located on the ventral surface of the penis.
Define how a syphilitic chancre lesion presents.
2 weeks after exposure, typically on the glans. Painless lesion has indurated borders with a clear base.
These lesions appear as superficial vesicles that are painful and associated with inguinal lymphadenopathy, typically located on the glans, penile shaft or base.
Herpes
Define condyloma acuminatum.
A soft, reddish lesion due a papovavirus infection. Typically presents on the prepuce, glans penis. The lesions may undergo malignant degeneration to squamous cell carcinoma.
Define lymphogranuloma venereum.
This is an STI caused by a chlamydial organism. Lesions appear on the genitalia and is a painless erosion at or near the coronal sulcus.
Define malluscum contagiosum.
An STI caused by a pox virus. Lesions are pearly gray, often umbilicated, smooth, dome shaped, with discrete margins.
What condition results from a fibrous band in the corpus cavernosum that results in deviation of the penis during erection?
Peyronie disease.
