MC birth defect of male genitalia
Cryptorchidism, absence of one or both testes from scrotum
Epispadias vs Hypospadias
Epispadias: urethra opens on dorsum of penis
Hypospadias: urethra opens on ventral surface of penis
What is a varicocele?
How is it described?
Abnormal enlargement of scrotal veins
“Bag of worms”
What is a hydrocele?
Accumulation of fluids around testicle
Testicular torsion definition
MC anatomical etiology
Spermatic cord twists, cutting off blood supply.
“Bell clapper deformity”
MC cause of non-gonococcal urethritis
Patient with urethritis presents with systemic inflammation, especially in the joints. You think:
Reactive arthritis: triad of conjunctivitis, urethritis, and arthritis.
Can’t see, can’t pee, can’t dance with me.
_____ causes most genital herpes while ______ causes most oral lesions.
HSV-2 causes most genital herpes
HSV-1 causes most oral lesions
MC cause of penile cancer (?)
MC type of penile cancer
HPV is MC cause (?)
SCC is MC type
MC solid malignant tumor in men 15-35
Primary testicular cancer
- Micro appearance
- placental alk phos (50%), mb hCG, NOT alpha fetoprotein
- lobules of neoplastic cells, fibrous septae with lymphocytic infiltrate
- Micro appearance
- hCG, alpha fetoprotein, NOT placental alk phos
- sheets of cells forming primitive tubules
T/F: a teratoma contains normal tissue from all three germ layers.
T: the tissue types are totally normal, but they are in the wrong place and don’t resemble surrounding tissue.
The germ layers are: mesoderm, endoderm, ectoderm.
Is BPH hyperplasia or hypertrophy? What’s the difference?
BPH is hyperplasia (inc # of cells), not hypertropy (inc size of cells)
What is the main concern with BPH?
**does not increase risk of cancer
MC cancer among males
MC type of prostate cancer
T/F: all men should receive PSA screening for prostate cancer
False: not recommended in the absence of symptoms
Phimosis vs Paraphimosis
Phimosis: foreskin is narrowed and cannot be retracted
Paraphimosis: foreskin is trapped behind the corona