Priapism
Q. 1 In children persistent priapism may result due to
| A |
Thrombosis of venous plexus |
|
| B |
Leukaemia |
|
| C |
Wilm’s tumour |
|
| D |
Trauma |
Q. 1
In children persistent priapism may result due to
| A |
Thrombosis of venous plexus |
|
| B |
Leukaemia |
|
| C |
Wilm’s tumour |
|
| D |
Trauma |
Ans.
B
C
A
Explanation:
Ans. is ‘b’ i.e., Leukaemia
Q. 2
Priapism occurs in:
AIIMS 06; 13
| A |
Snake bite |
|
| B |
Rati poisoning |
|
| C |
Cantharide poisoning |
|
| D |
Arsenic poisoning |
Q. 2
Priapism occurs in:
AIIMS 06; 13
| A |
Snake bite |
|
| B |
Rati poisoning |
|
| C |
Cantharide poisoning |
|
| D |
Arsenic poisoning |
Ans.
Explanation:
Ans. Cantharide poisoning
Q. 3
Persistent priapism is due to
| A |
Sickle cell anaemia |
|
| B |
Hairy cell leukaemia |
|
| C |
Paraphimosis |
|
| D |
Urethral stenosis |
Q. 3
Persistent priapism is due to
| A |
Sickle cell anaemia |
|
| B |
Hairy cell leukaemia |
|
| C |
Paraphimosis |
|
| D |
Urethral stenosis |
Ans.
Explanation:
Ans. is ‘a’ i.e., Sickle cell anemia
- Priapism is defined as erection lasting for > 4 hours.
- Low-flow priapism may be due to any of the following:
- An excessive release of neurotransmitters
- Blockage of draining venules (eg, mechanical interference in sickle cell crisis, leukemia, or excessive use of intravenous parenteral lipids)
- Paralysis of the intrinsic detumescence mechanism
- Prolonged relaxation of the intracavernous smooth muscles (most often caused by the use of exogenous smooth-muscle relaxants such as injectable intra-cavernosal prostaglandin E I)
- Prolonged low-flow priapism leads to a painful ischemic state, which can cause fibrosis of the corporeal smooth muscle and cavernosal artery thrombosis. The degree of ischemia is a function of the number of emissary veins involved and the duration of occlusion
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