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Primary malignant melanoma of the penis--a case report and a review of the literature.

A 50-year-old man had a primary malignant melanoma of the penis associated with granuloma telangiectaticum in the pigmented lesion. The patient had an operation for phimosis at the age of 20 and after the operation, he noticed a pigmented lesion at the operation site. We examined the literature and found 16 cases of primary malignant melanoma of the penis in Japan.

Biopsy↗

Squamous cell carcinoma of the penis in a man with a human papilloma virus 31 infection.

We report a 51-year-old man with squamous cell carcinoma (SCC) on his penis. He was surgically treated for his phimosis when he was 20 years old. He presented with an indurated nodule on the tip of his penis. The tumor was treated with partial penectomy and standard inguinal lymphadenectomy. Histological examination revealed that the tumor was a well-differentiated type of SCC. A polymerase chain reaction was performed to detect human papilloma virus (HPV) DNA. The result revealed the presence of HPV in the SCC. The results of sequencing analysis showed that the DNA was HPV 31.

Carcinoma, Squamous Cell↗

A clinicopathologic study of tumors and tumor-like lesions of the penis.

A total of 147 specimens from 93 patients with penile lesions were examined at Nagasaki University Hospital during a 27-year period from 1961 to 1987. The most frequent malignant tumor was squamous cell carcinoma (SCC, 33 cases, 35.5%), followed by extramammary Paget's disease, transitional cell carcinoma, and Bowen's disease. The benign tumors and tumor-like lesions included condyloma acuminatum, cyst of the genitoperineal raphe, and lymphangioma. SCC of the penis accounted for less than 0.1% of all specimens and less than 0.62% of malignant tumors in men filed at our hospital. True phimosis accompanied 81.5% of the SCC cases. The 5- and 10-year survival rates for SCC were 77.2% and 71.3%, respectively. Two patients died of penile SCC. It was considered that an absence of both keratohyaline granules in the granular layer and melanin pigment in the basal layer can serve as a useful histologic indicator for diagnosis of well differentiated SCCs that are otherwise difficult to identify.

Adolescent↗

Granulomatous balanoposthitis after intravesical Bacillus-Calmette-Guerin instillation therapy.

We report a rare case of granulomatous balanoposthitis after intravesical Bacillus-Calmette-Guerin (BCG) instillation therapy in a 58-year-old man, which followed transurethral resection (TUR) for recurrent bladder cancer, when his anterior urethra was slightly narrow and his foreskin was with phimosis. Intravesical BCG instillation therapy was started for prophylaxis of recurrent bladder cancer after TUR. Multiple painless firm papules on glans penis, edema in the foreskin and low-grade fever appeared after the seventh instillation, for which the single antituberculous agent isoniazid (300 mg/day) was administered. Biopsy of the papules on glans penis and foreskin revealed granulomatous balanoposthitis. Low-grade fever normalized and the papules disappeared within 1 week. The patient continued chemotherapy with isoniazid for the next 12 months. There was no recurrence of bladder cancer or balanoposthitis for 15 months and to date.

Adjuvants, Immunologic↗

Balanitis.

The clinical features of 100 cases of balanitis are described. The condition affects no more than 4% of boys, is commonest during pre-school years (but rare prior to toilet training) and is usually associated with a prepuce which is partly or completely non-retractable. It does not cause phimosis and no single pathogen is involved. Most boys suffer a single episode and circumcision is indicated only for those with recurrent, troublesome attacks.

Adolescent↗

Injury to the prepuce.

Injury to the prepuce is uncommon. A total of 32 patients were treated within a 3-year period. A difference in the aetiology between boys and adults was noted. Accidental injury to the prepuce occurred in 6 boys, with zipper injuries being the commonest among children. Coital and self-inflicted injuries accounted for 85% of adult cases. In patients with coital injuries, predisposing phimosis or a short frenulum was common.

Adolescent↗

GRAP repair: single-stage reconstruction of hypospadias as an out-patient procedure.

A novel repair of the distal urethra with glanular and preputial reconstruction is described for distal penile hypospadias; 52 consecutive patients underwent this procedure without catheter splintage or urinary diversion. All voided without problems on the day of operation; 44 (85%) were treated as day cases, while the remaining 8 boys stayed in hospital for at least 1 night post-operatively for reasons not associated with the operation. Follow-up was complete and ranged from 15 to 30 months (mean 18). There was no evidence of meatal stenosis, phimosis or urethral stricture; 26 boys (50%) had associated chordee pre-operatively which was incompletely corrected in 2 (8%). These have a minor degree of chordee of glans on penile shaft and neither has required further treatment. Four boys (8%) developed partial wound breakdown which necessitated reconstruction in 2 and both of these have now been treated successfully. Functional and cosmetic results are excellent.

Ambulatory Surgical Procedures↗

RACP's policy statement on infant male circumcision is ill-conceived.

OBJECTIVE: To conduct a critical peer-review of the 2004 Policy Statement on routine male circumcision produced by the Royal Australasian College of Physicians (RACP). METHOD: Comprehensive evaluation in the context of the research field. RESULTS: We find that the current Statement downplays the wide-ranging life-long benefits of circumcision in prevention of urinary tract infections (UTIs), penile and cervical cancer, genital herpes and chlamydia in women, HIV infection, phimosis, and various penile dermatoses, and at the same time overstates the complication rate. We highlight the many errors in the RACP Statement and note that it sidesteps making a conclusion based on circumcision's well-documented prophylactic health benefits by instead referring to the status of the foreskin at birth. In the era of preventative medicine we view this as irresponsible. CONCLUSION: The RACP's Statement on routine male circumcision is not evidence-based and should be retracted. IMPLICATIONS: In the interests of public health and individual well-being an extensive, comprehensive, evidence-based revision should be conducted so as to provide scientifically accurate, balanced information on the advantages, and also the low rate of mostly minor complications, associated with this simple procedure, which for maximum benefits and minimal risk should ideally be performed in the neonatal period.

Australia↗

Cutaneous manifestations and massive genital involvement in Hennekam syndrome.

We describe a 16-year-old boy with intestinal lymphangiectasia, lymphedema of the limbs and genitalia, mild mental retardation, and facial anomalies (Hennekam syndrome) and cutaneous lesions. Severe edema in the genital area created a gigantic mass that included the scrotum and penis. Numerous grouped red-violaceous pseudo-vesicular lesions and plaques, as well as verrucous brown papules, were present on the penis and scrotum. The prepuce was hypertrophic, with severe phimosis. Histologic analysis revealed dilated lymphatic vessels lined by a discontinuous layer of flat endothelial cells in the papillary dermis and extending down to the reticular dermis. Dilated blood vessels were also present but no cellular abnormalities were identified. A diagnosis of superficial cutaneous lymphatic malformations was made. To the best of our knowledge, this is the first detailed cutaneous histologic investigation in a patient with Hennekam syndrome. We assume that the onset of cutaneous lesions in our patient was likely triggered by a generalized worsening of his lymphedema.

Adolescent↗

The five year school medical--time for change.

School medical records of 1000 children born in 1981 were studied retrospectively. They showed that once known medical problems and those screened for by the school nurse (hearing, vision, growth) were excluded, only 17 problems requiring treatment were discovered: speech (n = 10), development (n = 3), undescended testes (n = 3), and phimosis (n = 1). This indicates that routine screening by a nurse, backed up by selective medical examination by the school doctor, is efficient and effective.

Child, Preschool↗

Save the prepuce. Painless separation of preputial adhesions in the outpatient clinic.

In most boys referred for circumcision preputial adhesions are the only problem, but these can predispose to recurrent balanitis. A simple technique using Emla cream (eutectic mixture of lignocaine and prilocaine) has been devised which allows the adhesions to be separated painlessly in the outpatient clinic. The technique was used on 39 boys aged 2 to 12 years referred for circumcision, none of whom had a retractable foreskin. The cream was applied under an occlusive dressing and left for 60 minutes before the adhesions were separated with a probe and a gauze swab. The procedure was completely pain free in 32 boys. One boy had to undergo a repeated procedure because he failed to follow the advice regularly to retract his foreskin in the three weeks after the procedure. Only one boy had to undergo circumcision later because of fibrous phimosis. In many boys referred for circumcision separation of preputial adhesions is all that is needed, and the use of this local anaesthetic technique avoids the need for general anaesthesia.

Ambulatory Surgical Procedures↗

Multiple pyogenic granuloma of the penis.

A case of multiple pyogenic granuloma affecting the penis of a 28 year old man is reported. The lesions were arranged in a floret-like fashion around the inner aspect of the prepuce and developed after circumcision for congenital phimosis. Histopathological examination of sections from a biopsy specimen of the papillomatous growths revealed the findings of pyogenic granuloma. In this patient, the pathogenesis of the lesions is probably related to the failure in surgical wound repair that followed circumcision. Problems of clinical and histopathological differential diagnosis are discussed.

Electrocoagulation↗

Squamous cell carcinoma in long-standing untreated lichen sclerosus et atrophicus of the penis.

Lichen sclerosus et atrophicus is an uncommon disease of skin and genital mucosa in both sexes. Involvement of the male genital mucosa is usually complicated by recurrent balanoposthitis, ulceration, phimosis, and meatal stenosis. The development of a squamous cell carcinoma is extremely rare in genital lichen sclerosus et atrophicus in males as compared with females. We report a 70-year-old male with a squamous cell carcinoma of the glans superimposed on long-standing lichen sclerosus et atrophicus of glans and prepuce. The patient in addition had a basal cell carcinoma on his face. Awareness of this rare complication of lichen sclerosus et atrophicus in males is emphasized.

Aged↗

Objective tinnitus due to peritubal myoclonus. A case report.

A case of bilateral peritubal myoclonia with objective tinnitus in a 5-year-old child, under general anesthesia for phimosis surgery, is reported. After having shown the etiology, pathogeny and symptomatology of the peritubal myoclonic syndrome, the use of impedansometric research consisting of a spontaneous variation of 'compliance' is emphasized. The authors discuss the significance of differential diagnosis with the spontaneous variations of 'compliance' of vascular, respiratory and muscular origin.

Anesthesia, General↗

Intracellular and nuclear binding of [3H]dihydrotestosterone in cultured genital skin fibroblasts of patients with severe hypospadias.

Androgens stimulate the development and growth of the male external genitalia. Because hypospadias is the most common congenital defect of the male urethra and because in most cases the cause of this malformation is unknown, we examined the hypothesis that the etiology of the severe forms of this disorder, which is frequently associated with other genital anomalies, might be explained by receptor abnormalities. Intracellular and nuclear binding of androgens were determined in cultured genital skin fibroblasts from 10 males who underwent circumcision for phimosis (controls A), 2 patients with 5 alpha-reductase deficiency (controls B), and 11 patients with severe forms of hypospadias of unknown etiology. Genital skin fibroblast monolayers were incubated for 60 min at 37 degrees C with varying concentrations of [3H]-dihydrotestosterone ([3H]DHT), and specific binding in whole cells and nuclei was measured. Maximum binding (Bmax) in the whole cell assay averaged 0.88 +/- 0.15 fmol . microgram DNA-1 (mean +/- SD) in the control group (controls A, 0.89 +/- 0.16 fmol . microgram DNA-1; controls B, 0.85 fmol . microgram DNA-1) and 0.7 +/- 0.25 fmol . microgram DNA-1 in the patients with hypospadias. In the latter group, Bmax in six patients was below the minimum values determined in the controls. Maximum specific nuclear binding in the control groups averaged 43% (range, 30-55%) of the corresponding intracellular binding. In contrast, nuclear binding in strains from patients with hypospadias was lower (range, 0-12% of whole cell Bmax). In particular, no high affinity saturable nuclear [3H]DHT binding could be measured in 6 of the 11 patients. We interpret these data to suggest that defective intracellular and/or nuclear binding might be the cause of defective genital development in some patients with severe hypospadias.

3-Oxo-5-alpha-Steroid 4-Dehydrogenase↗

Circumcision using the Mogen clamp.

The purpose of this study was to analyze the results of 313 circumcisions using the Mogen clamp. This procedure was done between 1 day and 2 years of age in all but four patients. The complication rate was low (1.6%). Two patients had local infection, one mild hemorrhage, one concealed penis, and one postcircumcision phimosis. Circumcision using the Mogen clamp is a simple, quick, and safe procedure.

Circumcision, Male↗

Expression, epitope analysis, and functional role of the LFA-2 antigen detectable on neoplastic mast cells.

Recent data suggest that mast cells (MCs) in patients with systemic mastocytosis or mast cell leukemia express a CD2-reactive antigen. To explore the biochemical nature and function of this antigen, primary MCs as well as the MC line HMC-1 derived from a patient with mast cell leukemia were examined. Northern blot experiments revealed expression of CD2 messenger RNA in HMC-1, whereas primary nonneoplastic MCs did not express transcripts for CD2. In cell surface staining experiments, bone marrow (BM) MCs in systemic mastocytosis (n = 12) as well as HMC-1 cells (30%-80%) were found to express the T11-1 and T11-2 (but not T11-3) epitopes of CD2. By contrast, BM MCs in myelodysplastic syndromes and nonhematologic disorders (bronchiogenic carcinoma, foreskin phimosis, uterine myeomata ) were consistently CD2(-). All MC species analyzed including HMC-1 were found to express LFA-3 (CD58), the natural ligand of CD2. To study the functional role of CD2 on neoplastic MCs, CD2(+) and CD2(-) HMC-1 cells were separated by cell sorting. CD2(+) HMC-1 cells were found to form spontaneous aggregates and rosettes with sheep erythrocytes in excess over CD2(-) cells, and a T11-1 antibody inhibited both the aggregation and rosette formation. Moreover, exposure of CD2(+) HMC-1 cells to T11-1 or T11-2 antibody was followed by expression of T11-3. In addition, stimulation of neoplastic MCs through T11-3 and a second CD2 epitope resulted in histamine release. These data show that neoplastic MCs express functionally active CD2. It is hypothesized that expression of CD2 is associated with pathologic accumulation and function of MCs in systemic mastocytosis.

Animals↗

Hypospadias in a cohort of 1072 Danish newborn boys: prevalence and relationship to placental weight, anthropometrical measurements at birth, and reproductive hormone levels at three months of age.

CONTEXT: Hypospadias is one of the most frequent male congenital malformations and may be part of the testicular dysgenesis syndrome. OBJECTIVE: The aim of the study was to investigate the prevalence of hypospadias in Denmark and evaluate the relationship to anthropometrical measurements at birth and reproductive hormone levels at 3 months of age. DESIGN: A prospective cohort study was conducted with 3-yr follow-up (1997-2004). SETTING: The population-based study was conducted at the University Hospital of Copenhagen. PARTICIPANTS: A total of 1072 Danish boys were consecutively recruited antenatally, with 74.4% completing the study. MAIN OUTCOME MEASURES: The study examined the position of the urethral meatus, anthropometrical measurements, placental weight, and reproductive hormone levels. RESULTS: The Danish birth prevalence of hypospadias was significantly higher than in a concomitant Finnish study (1.03 vs. 0.27%; P = 0.012). At 3 yr, the true prevalence was found to be 4.64% because additional mild cases were detected when physiological phimosis dissolved. Weight for gestational age (percentage deviation from expected mean) (-5.00 vs. -0.59%; P = 0.030) and placental weight (567 vs. 658 g; P = 0.023) were significantly lower, and FSH was significantly higher (1.48 vs. 1.15 IU/liter; P = 0.007) in boys with hypospadias, compared with healthy boys. CONCLUSIONS: We found a surprisingly high total rate of hypospadias of 4.6% in this large prospective cohort study. Seventy-two percent of the cases were apparent only after the prepuce could be retracted. Hypospadias were associated with elevated serum FSH levels at 3 months. We also confirmed an association between fetal growth impairment and hypospadias; however, it is yet unknown whether this indicates a causal relationship or a shared pathogenic factor.

Birth Weight↗