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At least 1,783 records · Page 99Linked to original sources
PubMed2000

Fracture of the penis--diagnosis and management.

Fracture of the penis is an uncommon injury, but it occurs most commonly during over enthusiastic sexual intercourse. Diagnosis is not difficult but serious complications such as urethral rupture and corporo-urethral fistula may occur. Management should be by early surgical exploration, with evacuation of the haematoma and repair of the tear in the tunica albuginea in order to minimize the length of patient's stay in hospital and avoid complications such as penile deformity and painful penile erections.

Adult↗
PubMed2001

[Severe necrotic processes of the penis and scrotum].

Authors summarise the two-decade experience of their department in severe tissue necrosis of penis and scrotum. Presented cases represent a shared field of urology with dermatology, infectology, nephrology and andrology. Tissue necrosis extended to different depth of the penis, from superficial skin and subcutaneous tissues, fascias to the entire organ. Underlying diseases are acute and chronic inflammations, metabolic diseases, vascular lesions. Diagnostic difficulties and therapeutic choices, both conservative and operative, are discussed.

Abscess↗
PubMedDate not supplied

Intracavernosal sildenafil facilitates penile erection independent of the nitric oxide pathway.

Sildenafil, in nanomolar serum levels, is an effective phosphodiesterase type 5 inhibitor, and facilitates penile erection only during sexual stimulation. However, there is limited information on the pharmacological activity of this agent when tissue levels approach millimolar concentrations following intracavernosal injection. The aim of this study was to investigate whether sildenafil causes penile erection in the absence of active neurogenic input. Organ bath preparations of rabbit penile cavernosal tissue strips were contracted with 1 microM phenylephrine and exposed to increasing concentrations of sildenafil in the absence or presence of the nitric oxide (NO) synthase inhibitor, Nomega-nitro-L-arginine methyl ester (L-NAME; 0.6 mM). Sildenafil caused dose-dependent relaxation of rabbit cavernosal smooth muscle at high concentrations (>0.1 microM) with little or no effect at concentrations below 0.1 microM. The addition of L-NAME did not affect this response. In a separate protocol, sildenafil dose response determinations were performed in the presence of the guanylyl cyclase inhibitor, 1H-[1,2,4]-oxadiazolo-[4,3-a]-quinoxalin-1-one (ODQ; 3 microM) or vehicle (50% dimethyl sulfoxide [DMSO]). Relaxation to sildenafil in the presence of DMSO was significantly enhanced relative to sildenafil alone. ODQ treatment partially attenuated relaxation to sildenafil, but failed to completely inhibit the response. In cavernosal tissue strips, sildenafil elevated basal cyclic guanosine monophosphate (cGMP) levels twofold (0.54 vs. 1.10 pmol/mg prot). To further investigate these observations, anesthetized rabbits were injected intracavernosally with sildenafil (0.3-1.3 mg). In the absence of pelvic nerve stimulation, the magnitude and duration of the intracavernosal pressure increased in a dose-dependent fashion in response to sildenafil, approaching the systemic arterial pressure at higher doses. Intracavernosal administration of L-NAME, at doses that inhibited pelvic nerve stimulated penile erection, did not alter the response to intracavernosal sildenafil at 1.3 mg. Sildenafil, at the doses tested, did not significantly change the systemic arterial pressure. These data suggest that intracavernosal sildenafil, at tissue levels approaching millimolar concentrations, can cause relaxation of vascular smooth muscle and penile erection by a novel mechanism independent of the classical NO/cGMP pathway.

Animals↗
PubMed1992

Penile metastasis from lung cancer.

A case of metastatic tumor of the penis from lung cancer is reported. The patient, who had received a right pneumonectomy 17 months previously for a squamous cell carcinoma of the lung, complained of urinary retention and painful erection of the penis. He underwent an emergency suprapubic cystostomy. Twenty days after the procedure, he died of disseminated lung carcinoma. The autopsy demonstrated massive metastasis to the penis from squamous cell carcinoma of the lung. Penile metastasis from lung cancer is a very rare condition and only 14 cases of this secondary carcinoma have been reported.

Aged↗
PubMed2004

[Hemolytic-uremic syndrome secondary to scorpion envenomation (apropos of 2 cases)].

HUS was recently described following scorpion sting. We report 2 cases of HUS in the intensive care unit of a university hospital. Two children aged respectively 10 months and 1 year were admitted in the ICU after severe scorpion envenomation (with coma and pulmonary oedema) having required dobutamine and mechanical ventilation. Evolution was marked with acute anaemia without bleeding requiring blood transfusion, acute renal failure, low platelets and signs of haemolysis. Our experience and the previously reported case suggest that scorpion sting could be added to the list of causes of the HUS.

Animals↗