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Penis and prpuce > Penis and prepuce > Flashcards

Penis and prepuce Flashcards

1
Q

muscles and corpora of the penile root

A

–corpus cavernosum–ischiocavernosus and ischiourethralis muscle–bulbospongiosus muscle–corpus spongiosum (ventral penile urethra)—> expands to the bulb of penis proximallycorpora contain enlarged venous spaces

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2
Q

distal portion of the penis

A

glanssubdivided into 21. bulbus glandis2. pars longa glandis (not as capable at expansion as the bulbus)

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3
Q

what does the os penis attach to

A
  1. bulbus glandis2. pars longa glandis3. tunica albuginea
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4
Q

4 extrinsic muscle of the penis

A
  1. retractor penis2. bulbospongiosus 3. ischiocavernosus4. ischiourethralis
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5
Q

blood supply to penis

A

all branches from internal pudendal artery—> artery of the penis1. the artery of the bulb2. the deep artery of the penis3. the dorsal artery of the penis

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6
Q

anatomic distinction of the cat penis

A

–directed caudally–shorter–cornified papilla (penile spines) in sexually mature cats–persist for 6 weeks post castration

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7
Q

blood supply to prepuce

A
  1. the dorsal artery of the penis (branch of the artery of the penis which is a branch of internal pudendal)2. caudal superficial epigastric artery
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8
Q

erection

A

profound increase in blood supply from internal pudendal arterysecondary to PSNS 1. engorgement of cavernous bodies of the penis (expand arteries contract veins)2. compression of dorsal penile vein against ischial arch by contraction of ischiocavernosus and bulbospongiosus muscle

How well did you know this?
1
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9
Q

what is the most common developmental anomaly of the male external genitalia

A

HYPOSPADIAS—most frequently in Boston Terriersfailure of fusion of the urogenital folds and incomplete formation of the penile urethra1. perineal2. scrotal3. penile4. glandularusually associated with preputial hypoplasia or incomplete preputial fusion and penile underdevelopmenttx: urethrostomy and neuter +/- reconstruct prepuce

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10
Q

penile tumors

A

canine:TVTpapilloma and SCCOSA of os penisMastocytomatx: small and distal—partial penile amputation +/- shortening of prepucelarge, extensive–extensive penile amputation or ablation of entire external genitalia with urethrostomy (scrotal or perineal depending on location of malignancy)

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11
Q

paraphimosis define and causes

A

penis protrudes from preputial sheath and cannot be replacedexteriorized glans penis may become congested and discoloredCongenital causes: narrowed preputial orifice or abN short prepuceAcquired causes: trauma, infection (balanoposthitis), priapism–seen after coitus or masterbation in young males

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12
Q

treatment for paraphimosis

A

—lubricants, hyperosmolar, local heat or cold +/- ucath and purse string—surgical enlargement of the preputial ostium—preputial lengthening/advancement—phallopexy—partial penile amputationPROGNOSIS IS GUARDED AND RECURRENCE GENERALLY OCCURS!

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13
Q

phimosis define and causes

A

penis inability to protrudeusually associated with urine retention in prepuce—balanoposthitiscongenital causes: small preputial osmiumacquired: previous scar from trauma, neoplasia

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14
Q

treatment for phimosis

A

inability to protrude–enlarge preputial ostiumif too much tissue is removed—paraphimosisprognosis is generally good for congenital phimosis

How well did you know this?
1
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2
3
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15
Q

what is balanoposthitis

A

inflammation/infection of penis and prepucenormal dogs have slight purulent discharge but copious yellow, blood tinged discharge may be pathologiclocal lavage, break adhesions, cleansing solutions, topical Ab, rid inciting causeguarded prognosis bc recurrence

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16
Q

the most frequent preputial tumor

A

MAST CELL TUMORother tumors include TVT, melanoma, perianal gland tumors

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17
Q

complication that may occur following partial penile amputation

A

urethral stricture if healing is complicated

How well did you know this?
1
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2
3
4
5
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18
Q

prognosis following reconstruction of the prepuce for congenital abnormalities (hypoplasia, failure to fuse)

A

guarded simple advancement is often unsuccessful

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

muscles and corpora of the penile root

A

–corpus cavernosum–ischiocavernosus and ischiourethralis muscle–bulbospongiosus muscle–corpus spongiosum (ventral penile urethra)—> expands to the bulb of penis proximallycorpora contain enlarged venous spaces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

distal portion of the penis

A

glanssubdivided into 21. bulbus glandis2. pars longa glandis (not as capable at expansion as the bulbus)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what does the os penis attach to

A
  1. bulbus glandis2. pars longa glandis3. tunica albuginea
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

4 extrinsic muscle of the penis

A
  1. retractor penis2. bulbospongiosus 3. ischiocavernosus4. ischiourethralis
23
Q

blood supply to penis

A

all branches from internal pudendal artery—> artery of the penis1. the artery of the bulb2. the deep artery of the penis3. the dorsal artery of the penis

24
Q

anatomic distinction of the cat penis

A

–directed caudally–shorter–cornified papilla (penile spines) in sexually mature cats–persist for 6 weeks post castration

25
Q

blood supply to prepuce

A
  1. the dorsal artery of the penis (branch of the artery of the penis which is a branch of internal pudendal)2. caudal superficial epigastric artery
26
Q

erection

A

profound increase in blood supply from internal pudendal arterysecondary to PSNS 1. engorgement of cavernous bodies of the penis (expand arteries contract veins)2. compression of dorsal penile vein against ischial arch by contraction of ischiocavernosus and bulbospongiosus muscle

27
Q

what is the most common developmental anomaly of the male external genitalia

A

HYPOSPADIAS—most frequently in Boston Terriersfailure of fusion of the urogenital folds and incomplete formation of the penile urethra1. perineal2. scrotal3. penile4. glandularusually associated with preputial hypoplasia or incomplete preputial fusion and penile underdevelopmenttx: urethrostomy and neuter +/- reconstruct prepuce

28
Q

penile tumors

A

canine:TVTpapilloma and SCCOSA of os penisMastocytomatx: small and distal—partial penile amputation +/- shortening of prepucelarge, extensive–extensive penile amputation or ablation of entire external genitalia with urethrostomy (scrotal or perineal depending on location of malignancy)

29
Q

paraphimosis define and causes

A

penis protrudes from preputial sheath and cannot be replacedexteriorized glans penis may become congested and discoloredCongenital causes: narrowed preputial orifice or abN short prepuceAcquired causes: trauma, infection (balanoposthitis), priapism–seen after coitus or masterbation in young males

30
Q

treatment for paraphimosis

A

—lubricants, hyperosmolar, local heat or cold +/- ucath and purse string—surgical enlargement of the preputial ostium—preputial lengthening/advancement—phallopexy—partial penile amputationPROGNOSIS IS GUARDED AND RECURRENCE GENERALLY OCCURS!

31
Q

phimosis define and causes

A

penis inability to protrudeusually associated with urine retention in prepuce—balanoposthitiscongenital causes: small preputial osmiumacquired: previous scar from trauma, neoplasia

32
Q

treatment for phimosis

A

inability to protrude–enlarge preputial ostiumif too much tissue is removed—paraphimosisprognosis is generally good for congenital phimosis

33
Q

what is balanoposthitis

A

inflammation/infection of penis and prepucenormal dogs have slight purulent discharge but copious yellow, blood tinged discharge may be pathologiclocal lavage, break adhesions, cleansing solutions, topical Ab, rid inciting causeguarded prognosis bc recurrence

34
Q

the most frequent preputial tumor

A

MAST CELL TUMORother tumors include TVT, melanoma, perianal gland tumors

35
Q

complication that may occur following partial penile amputation

A

urethral stricture if healing is complicated

36
Q

prognosis following reconstruction of the prepuce for congenital abnormalities (hypoplasia, failure to fuse)

A

guarded simple advancement is often unsuccessful

37
Q

muscles and corpora of the penile root

A

–corpus cavernosum–ischiocavernosus and ischiourethralis muscle–bulbospongiosus muscle–corpus spongiosum (ventral penile urethra)—> expands to the bulb of penis proximallycorpora contain enlarged venous spaces

38
Q

distal portion of the penis

A

glanssubdivided into 21. bulbus glandis2. pars longa glandis (not as capable at expansion as the bulbus)

39
Q

what does the os penis attach to

A
  1. bulbus glandis2. pars longa glandis3. tunica albuginea
40
Q

4 extrinsic muscle of the penis

A
  1. retractor penis2. bulbospongiosus 3. ischiocavernosus4. ischiourethralis
41
Q

blood supply to penis

A

all branches from internal pudendal artery—> artery of the penis1. the artery of the bulb2. the deep artery of the penis3. the dorsal artery of the penis

42
Q

anatomic distinction of the cat penis

A

–directed caudally–shorter–cornified papilla (penile spines) in sexually mature cats–persist for 6 weeks post castration

43
Q

blood supply to prepuce

A
  1. the dorsal artery of the penis (branch of the artery of the penis which is a branch of internal pudendal)2. caudal superficial epigastric artery
44
Q

erection

A

profound increase in blood supply from internal pudendal arterysecondary to PSNS 1. engorgement of cavernous bodies of the penis (expand arteries contract veins)2. compression of dorsal penile vein against ischial arch by contraction of ischiocavernosus and bulbospongiosus muscle

45
Q

what is the most common developmental anomaly of the male external genitalia

A

HYPOSPADIAS—most frequently in Boston Terriersfailure of fusion of the urogenital folds and incomplete formation of the penile urethra1. perineal2. scrotal3. penile4. glandularusually associated with preputial hypoplasia or incomplete preputial fusion and penile underdevelopmenttx: urethrostomy and neuter +/- reconstruct prepuce

46
Q

penile tumors

A

canine:TVTpapilloma and SCCOSA of os penisMastocytomatx: small and distal—partial penile amputation +/- shortening of prepucelarge, extensive–extensive penile amputation or ablation of entire external genitalia with urethrostomy (scrotal or perineal depending on location of malignancy)

47
Q

paraphimosis define and causes

A

penis protrudes from preputial sheath and cannot be replacedexteriorized glans penis may become congested and discoloredCongenital causes: narrowed preputial orifice or abN short prepuceAcquired causes: trauma, infection (balanoposthitis), priapism–seen after coitus or masterbation in young males

48
Q

treatment for paraphimosis

A

—lubricants, hyperosmolar, local heat or cold +/- ucath and purse string—surgical enlargement of the preputial ostium—preputial lengthening/advancement—phallopexy—partial penile amputationPROGNOSIS IS GUARDED AND RECURRENCE GENERALLY OCCURS!

49
Q

phimosis define and causes

A

penis inability to protrudeusually associated with urine retention in prepuce—balanoposthitiscongenital causes: small preputial osmiumacquired: previous scar from trauma, neoplasia

50
Q

treatment for phimosis

A

inability to protrude–enlarge preputial ostiumif too much tissue is removed—paraphimosisprognosis is generally good for congenital phimosis

51
Q

what is balanoposthitis

A

inflammation/infection of penis and prepucenormal dogs have slight purulent discharge but copious yellow, blood tinged discharge may be pathologiclocal lavage, break adhesions, cleansing solutions, topical Ab, rid inciting causeguarded prognosis bc recurrence

52
Q

the most frequent preputial tumor

A

MAST CELL TUMORother tumors include TVT, melanoma, perianal gland tumors

53
Q

complication that may occur following partial penile amputation

A

urethral stricture if healing is complicated

54
Q

prognosis following reconstruction of the prepuce for congenital abnormalities (hypoplasia, failure to fuse)

A

guarded simple advancement is often unsuccessful

Penis and prpuce (1 decks)

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