In mondors disease there swelling and hardening of-
**Core Concept**
Mondor's disease is a rare condition characterized by inflammation and fibrosis of the superficial veins, particularly in the breast or chest wall. This condition leads to the formation of a cord-like structure due to the thickening of the affected vein.
**Why the Correct Answer is Right**
The correct answer is related to the pathophysiology of Mondor's disease, which involves the inflammation and fibrosis of the superficial veins. This leads to the hardening and thickening of the affected vein, resulting in a cord-like structure. The inflammation and fibrosis are thought to be caused by trauma, surgery, or radiation, which can lead to the formation of a fibrotic cord.
**Why Each Wrong Option is Incorrect**
* **Option A:** Mondor's disease is not typically associated with the lymphatic system, so swelling and hardening of lymph nodes would not be the correct answer.
* **Option B:** Mondor's disease is not characterized by the inflammation of the deep veins, so swelling and hardening of deep veins would not be the correct answer.
* **Option C:** Mondor's disease is not typically associated with the inflammation of the skin, so swelling and hardening of the skin would not be the correct answer.
**Clinical Pearl / High-Yield Fact**
Mondor's disease is a rare condition that can occur after surgery, trauma, or radiation, and it is characterized by the formation of a fibrotic cord in the superficial veins.
**Correct Answer:** C.