Difference between revisions of "Penis"
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==Zoon balanitis== | ==Zoon balanitis== | ||
*[[AKA]] ''balanitis circumscripta plasmacellularis''. | *[[AKA]] ''balanitis circumscripta plasmacellularis''.<ref name=pmid20652106 >{{Cite journal | last1 = Balato | first1 = N. | last2 = Scalvenzi | first2 = M. | last3 = La Bella | first3 = S. | last4 = Di Costanzo | first4 = L. | title = Zoon's Balanitis: Benign or Premalignant Lesion? | journal = Case Rep Dermatol | volume = 1 | issue = 1 | pages = 7-10 | month = | year = 2009 | doi = 10.1159/000210440 | PMID = 20652106 }}</ref> | ||
===General=== | ===General=== | ||
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===Microscopic=== | ===Microscopic=== | ||
Features: | Features:<ref name=pmid20652106/> | ||
*Abundant [[plasma cell]]s - '''key feature'''. | *Abundant [[plasma cell]]s - '''key feature'''. | ||
*Dermal atrophy. | |||
*[[Spongiosis]] and intraepithelial lymphocytes. | |||
*Tortuosity dermal [[blood vessel]]s. | |||
DDx: | DDx: | ||
Revision as of 14:26, 30 April 2013
The penis is occasionally afflicted by disease that the pathologist see.
It is afflicted by common skin pathologies.
Diseases
Inflammatory
- Phimosis.
- Paraphimosis.
- Balanoposthitis.
- Balanatis.
- Plasma cell balanitis.
- Balanitis xerotica obliterans.
- Balanitis circinata.
- Lipogranulomas.
Infectious
- HPV infection.
- HSV infection.
- Scabies.
- Pediculosis pubis.
- Syphilis.
- Gonorrhea.
- Lymphogranuloma venereum.
- Granuloma inguinale.
- Chancroid.
- Molluscum contagiosum.
- Filariasis - elephantiasis.
Other non-tumour
- Idiopathic scrotal calcinosis.
- Melanocytic lesions, esp. nevi.
Pre-cancerous
- Penile intraepithelial neoplasia (PIN).
- Paget disease (like extramammary Paget disease). (???)
Neoplastic
- Squamous cell carcinoma.
- Merkel cell carcinoma.
- Sebaceous carcinoma.
- Clear cell carcinoma.
- Basal cell carcinoma.
- Melanoma.
Others:
- Mesenchymal lesions - see: soft tissue lesions.
- Hematopoetic, e.g. lymphoma.
- Metastasis.
Specific conditions
Phimosis
General
- Cannot be retract foreskin.
- This is a clinical diagnosis.
Microscopic
Features:[1]
- +/-Inflammation.
- Fibrosis.
Notes: Findings non-specific.
DDx - general:
- Squamous cell carcinoma.
- Balanitis xerotica obliterans.
- Lichen planus.
- Infection, e.g. syphilis.
Penile fibromatosis
Main article: Fibromatosis
- AKA Peyronie's disease.
General
- Prevalence ~5%.[2]
Treatment:
- Conservative versus surgery.
Gross
- Abnormal curvature of the penis, esp. in the erect state.
Microscopic
Features:[2]
- Tunica albuginea fibrosis.
Zoon balanitis
General
- Balanitis = inflammation of glands penis.
- Rare.
Microscopic
Features:[3]
- Abundant plasma cells - key feature.
- Dermal atrophy.
- Spongiosis and intraepithelial lymphocytes.
- Tortuosity dermal blood vessels.
DDx:
See also
References
- ↑ Humphrey, Peter A; Dehner, Louis P; Pfeifer, John D (2008). The Washington Manual of Surgical Pathology (1st ed.). Lippincott Williams & Wilkins. pp. 391. ISBN 978-0781765275.
- ↑ 2.0 2.1 Serefoglu, EC.; Hellstrom, WJ. (Dec 2011). "Treatment of Peyronie's disease: 2012 update.". Curr Urol Rep 12 (6): 444-52. doi:10.1007/s11934-011-0212-2. PMID 21818660.
- ↑ 3.0 3.1 Balato, N.; Scalvenzi, M.; La Bella, S.; Di Costanzo, L. (2009). "Zoon's Balanitis: Benign or Premalignant Lesion?". Case Rep Dermatol 1 (1): 7-10. doi:10.1159/000210440. PMID 20652106.