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Pathology Unit IX
Male Reproductive System
79
Pathology
Graduate
04/17/2013

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Term
Pathogenesis of nonspecific inflammation
Definition
infections in urinary tract, C. trachomatis, N. gonorhoeae, E. coli and psedumonas
Term
Clinical significance of nonspecific inflammation
Definition
can become chronic if not treated
Term
nonspecific inflammation in men < 35
Definition
Chlamydia trachomatis and Neisseria gonorrhoeae
Term
nonspecific inflammation in men > 35
Definition
E. coli and Pseudomonas
Term
Pathogenesis of gonorrhea
Definition
gonococcal infection
Term
Clinical significance of gonorrhea
Definition
can spread from urethra to prostate, seminal vesicles, epididymis and testis, can lead to sterility
Term
Mumps
Definition
viral disease of salivary glands
Term
Pathogenesis of mumps Orchitis
Definition
complication or viral disease of salivary glands
Term
Clinical significance of mumps Orchitis
Definition
can result in sterility
Term
Pathogenesis of tuberculosis
Definition
M. tuberculosis infection dissemination
Term
Clinical significance of tuberculosis
Definition
begins in epididymis and spreads to testis
Term
Pathogenesis of syphilis
Definition
spirochete infection
Term
Clinical significance of syphilis
Definition
can lead to sterility
Term
can lead to sterility
Definition
twisting of spermatic cord
Term
Clinical significance of torsion
Definition
can block blood supply to testis
Term
Definition of crypotorchidism
Definition
failure of testis to descend completely into normal position on scrotum
Term
Incidence of crypotochidism
Definition
0.7% of male population, after year 1
Term
Relationship of crypotochidism to sterility and testicular cancer
Definition
associated with germ cell neoplasms and infertility, abnormal growth of cells in cryptorchid testes because higher temperature than scrotom
Term
Definition of Klinefelter Syndrome
Definition
genetic disease involving sex chromosome in which the person has two chromosomes
Term
General incidence of Klinefelter syndrome
Definition
most frequent forms of genetic disease
Term
Significance of Klinefelter syndrome
Definition
sterility bc No spermatogenesis due to fibrotic tubules
Term
Klinefelter Classic karyotype
Definition
47, XXY
Term
General types of testicular tumors
Definition
germ cell tumor, sex cord tumor
Term
Relative incidence of testicular tumors
Definition
95% are germ cell tumors, 2% are sex-cord tumors
Term
Distinguishing features of testicular tumors
Definition
germ cell tumors produce hormones, sex-cord tumors produce sex hormones
Term
Are there tumors of the testis comparable to surface epithelial tumors of the ovaries?
Definition
no
Term
Germ cell tumors
Definition
most often seminoma
Term
Pure seminomas
Definition
have better prognosis than those mixed with embryonal carcinoma, yolk sac tumor, choriocarcinoma, or teratoma
Term
In the male, all teratomas
Definition
are considered potentially malignant
Term
Tumor markers include for Germ Cell tumors
Definition
Alpha-FP, Beta-HCG, CEA, placental alk epsilon
Term
Sex cord-gonadal tumors
Definition
2% are sertoli cell tumors, 3% are leydig tumors
Term
Definition of hydrocele of the tunica vaginalis
Definition
swelling of the scrotum
Term
Clinical significance of tunica vaginalis
Definition
most common cause of swelling
Term
Association of asbestos exposure to mesothelioma of the tunica vaginalis testes
Definition
malignancy of the epithelial lining of the tunica vaginalis
Term
Definition of hyrospadias
Definition
abnormal opening on the ventral surface of the penis
Term
Clinical significance of hydrospadias
Definition
greater risk for urinary tract infections
Term
Definition of epispadias
Definition
abnormal opening on the dorsal surface of the penis
Term
Clinical significance of epispadias
Definition
greater risk for urinary tract infections
Term
Definition of phimosis
Definition
inability to retract prepuce because of abnormal small preputial orifice
Term
Clinical significance of phimosis
Definition
can result in anomalous development, inflammatory scarring or the prepuce
Term
Common infections of the penis
Definition
syphilis, gonorrhea, chancroid, granuloma inguinale, lymphopathia verereum or herpes
Term
STIs/Inflammation usually involves
Definition
glans and prepuce
Term
Definition of condyloma acuminatum
Definition
veneral warts from HPV infection
Term
Clinical significance of condolyoma acuminatum
Definition
less common than HPV of female genital tract
Term
Carcinoma in situ 3 types
Definition
(1) Bowmen disease (2) Erythroplasia of Queyrat and (3) Bowenoid papulosis
Term
Definition of Bowmen disease
Definition
CIS that involves shaft of penis
Term
Significance of Bowen disease
Definition
10% transform into invasive carcinoma of the penis
Term
Definition of Erythroplasia of Queyrat
Definition
CIS that involves the glans penis
Term
Significance of Erythroplasia of Queyrat
Definition
HPV associated
Term
Definition of Bowenoid papulosis
Definition
Pre-malignany transmitted viral lesion of the penile shaft
Term
Significance of Bowenois papulosis
Definition
HPV associated
Term
Incidence of squamous cell carcinoma
Definition
relatively uncommon, less common than cervical carcinoma
Term
Pathogenesis of squamous cell carcinoma
Definition
due to rich vasculature beneth epithelium tumor can metastasize to inguinal lymph nodes
Term
Gross features of squamous cell carcinoma
Definition
scaling lesion on penile shaft
Term
Clinical course of squamous cell carcinoma
Definition
metastize to inguinal lymph nodes
Term
SCC associated with HPV types
Definition
16 and 18
Term
Prostate
Definition
surrounds the neck of the urinary bladder and urethra.
Term
Common causes of inflammation of the prostate
Definition
E.coli, C. trachomatis, U. urealyticum
Term
Clinical symptoms of inflammation of the prostate
Definition
fever, chills, dysuria, and tender prostate, low back pain, perineal and subrapubic discomfort
Term
Significance of inflammation of the prostate
Definition
can block urinary outflow
Term
Acute bacterial protatitis
Definition
E. coli common - extension of urinary tract infection. Easy to diagnose - is associated with
fever, chills, dysuria, prostate is tender.
Term
Chronic bacterial protatitis
Definition
may present with low back pain, dysuria, perineal and suprapubic discomfort, or may be
asymptomatic. Related to repeated urinary tract infections.
Term
Chronic abacterial prostatitis
Definition
same clinical presentation as chronic bacterial, but there is no history of urinary
tract infection and bacterial cultures are negative. May be related to Chlamydia trachomatis and Ureaplasma urelyticum.
Term
Incidence of nodular hyperplasia of prostate
Definition
extremely common, 50’s (20% at 40 to 90% at 70)
Term
Etiology of nodular hyperplasia of prostate
Definition
imbalance between male and female sex hormones
Term
Morphology of nodular hyperplasia of prostate
Definition
large, decrete nodules in periurethral region of prostate
Term
Clinical course of nodular hyperplasia of prostate
Definition
nodules compress urethra and cause partial or complete obstruction
Term
Nodule composition in nodular hyperplasia of the prostate
Definition
composed of glandular tissue and stroma
Term
Incidence of carcinoma of the prostate
Definition
high with increasing age, 1/3-1/4 of men over 80
Term
Etiology of carcinoma of the prostate
Definition
androgens, hereditary, environmeny, and somatic mutations
Term
Clinical course of carcinoma of the prostate
Definition
perineural invasion is common, osteoblastic metastases in bone, PSA and PSAP markers
Term
Which condition is commonly present in elderly men?
Definition
prostatic hyperplasia
Term
A 65-year-old man complained of lower thigh pain. On evaluation, a lesion was found in his distal femur. The lesion was surgically resected and had a gross appearance as shown in the picture. Microscopically, the lesion showed tumor cells associated with markedly increased bone formation. This type of bone lesion is most frequently caused by metastasis from which of the following tumors?
Definition
Prostatic adenocarcinoma
Term
Squamous cell carcinoma of the penis is
Definition
associated with HPV types 16 and 18.
Term
A clinical study was performed to determine the optimal method for diagnosis of sexually transmitted infections (STIs). The clinical and laboratory findings in subjects diagnosed with STIs were reviewed. A group of subjects was found to have Chlamydia trachomatis infection. Which of the following laboratory methods would be most useful to confirm the diagnosis of C. trachomatis in these subjects?
Definition
Enzyme immunoassay
Term
Clinical presentations of carcinoma in situ of the penis include
Definition
erythroplasia of Queyrat
Bowen disease.
Bowenoid papulosis
Term
Klinefelter syndrome is associated with
Definition
testicular dysgenesis.
Term
A 30-year-old man had a feeling of heaviness in his left testis for the past 6 months. Physical examination showed enlargement of the left testis, while the right testis appeared normal. There was a palpable left inguinal lymph node. Ultrasound showed a 4 cm solid mass in the left testis. Laboratory serum beta-HCG at 5 IU/L and alpha-fetoprotein (AFP) at 2 ng/mL were within normal ranges. The left testis was removed. Gross examination showed a firm, lobulated light tan mass without hemorrhage or necrosis, and only one cell type was present in the biopsy sections. The patient underwent radiation therapy. Which of the following neoplasms did he most likely to have?
Definition
seminoma
Term
A 32-year-old male noted bilateral breast enlargement over the past 7 months. On physical exam there was bilateral gynecomastia without tenderness or masses. His external genitalia appeared normal. Ultrasound scan showed a 1 cm solid mass within the body of the right testis. Laboratory studies showed a serum testosterone of 550 ng/dL (high) and estradiol of 36 pg/mL (high), Serum alpha-fetoprotein (AFP) was 9 ng/mL and HCG was non-detectable. Which of the following neoplasms is this man most likely to have?
Definition
Leydig cell tumor
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