**Question:** All are true about Peyronie's disease except -

A. Peyronie's disease is a benign tumor
B. It is a complication of trauma
C. It is a congenital disease
D. It is a rare disease

**Core Concept:** Peyronie's disease is a fibrotic condition affecting the penis, characterized by the formation of plaques in the tunica albuginea, causing penile deformity and dysfunction.

**Why the Correct Answer is Right:**
A. Peyronie's disease is not a benign tumor, as it is characterized by plaque formation in the tunica albuginea, not tumor growth. Tumors typically involve uncontrolled cell growth and are unrelated to the fibrotic process in Peyronie's disease.

B. Peyronie's disease is primarily a complication of trauma, as the acute injury or chronic inflammation triggers the fibrotic process. While trauma is a risk factor, it is not the disease itself.

C. Peyronie's disease is not a congenital disease. Although some genetic factors may contribute to the disease development, it is not a condition present at birth.

D. Peyronie's disease is not a rare disease, as it affects approximately 3-10% of men aged 40 and above, making it relatively common.

**Why Each Wrong Option is Incorrect:**

A. While option A is incorrect due to the fibrotic process being the main feature of Peyronie's disease, option B is incorrect because trauma is a risk factor, not the disease itself.

B. Option C is incorrect as Peyronie's disease is not congenital but develops as a consequence of trauma or other factors.

D. Option D is incorrect because the disease affects a significant number of men in the older population, making it neither extremely rare nor common. It is considered relatively common among older men.

**Clinical Pearl:** Understanding the association between trauma and Peyronie's disease is crucial for diagnosing and managing patients with penile deformities and erectile dysfunction. Trauma or chronic inflammation can lead to the development of Peyronie's disease, so educating patients about safe sexual practices and promoting regular check-ups for penile complaints can help prevent and manage this condition.