Penis

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The penis is occasionally afflicted by disease that the pathologist see.

It is afflicted by common skin pathologies.

Diseases

Inflammatory

Infectious

Other non-tumour

Pre-cancerous

Neoplastic

Others:

Specific conditions

Phimosis

General

  • Cannot retract foreskin.
  • This is a clinical diagnosis.

Microscopic

Features:[1]

  • +/-Inflammation.
  • Fibrosis.

Notes: Findings non-specific.

DDx - general:

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FORESKIN, EXCISION:
- KERATINIZED SQUAMOUS EPITHELIUM WITH PATCHY MILD NON-SPECIFIC
  SUBEPITHELIAL INFLAMMATION.
- NEGATIVE FOR MALIGNANCY.
FORESKIN, EXCISION:
- KERATINIZED STRATIFIED SQUAMOUS EPITHELIUM.
- FIBROUS SUBEPITHELIAL TISSUE.
- NEGATIVE FOR MALIGNANCY. 
FORESKIN, CIRCUMCISION:
- BENIGN KERATINIZED SQUAMOUS EPITHELIUM.
- FIBROUS SUBEPITHELIAL TISSUE WITH MINIMAL PATCHY NONSPECIFIC INFLAMMATION.
- NEGATIVE FOR MALIGNANCY.

Penile 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

  • AKA balanitis circumscripta plasmacellularis.[3]
  • AKA plasma cell balanitis.[4]

General

  • Balanitis = inflammation of glands penis.
  • Rare.
  • Uncircumsized men.

Microscopic

Features:[3]

DDx:

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PENILE FORESKIN, CIRCUMCISION:
- COMPATIBLE WITH PLASMA CELL BALANITIS (ZOON BALANITIS), SEE COMMENT.

COMMENT:
A treponemal infection should be considered clinically.

See also

References

  1. 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. 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. 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.
  4. Korenaga, D.; Kanematsu, T.; Watanabe, A.; Maehara, Y.; Kitano, S.; Sugimachi, K. (Feb 1991). "Clinical management of gastric cancer and concomitant esophagogastric varices.". J Surg Oncol 46 (2): 91-6. PMID 1992223.

External links