What condition is characterized by redness and distended capillaries caused by a weakening of capillary walls?

What condition is characterized by redness and distended capillaries caused by a weakening of capillary walls?

• A. Rosacea
• B. Telangiectasia
• C. Dermatitis
• D. Acanthosis nigricans

Answer: (B)

Telangiectasia is a condition that involves the dilation of small blood vessels, leading to visible red or purple lines on the skin, often seen on the face and other areas. The warming and distension of capillaries occur due to a weakening of the capillary walls, making them more visible through the skin's surface. This aspect of capillary dilation is key to understanding telangiectasia, as it directly relates to the visible symptoms experienced by those affected. While rosacea can manifest similar symptoms of redness and visible blood vessels, it typically includes other characteristics, such as inflammation, pimple-like bumps, and flushing. Dermatitis refers to skin inflammation that can have various causes but is not primarily defined by distended capillaries. Acanthosis nigricans involves darkened patches of skin, often associated with insulin resistance, and does not pertain to capillary dilation or redness. Thus, the specific nature of telangiectasia makes it the correct answer, clearly linking the condition with the described characteristics of redness and distended capillaries.

Telangiectasia is a condition that involves the dilation of small blood vessels, leading to visible red or purple lines on the skin, often seen on the face and other areas. The warming and distension of capillaries occur due to a weakening of the capillary walls, making them more visible through the skin's surface. This aspect of capillary dilation is key to understanding telangiectasia, as it directly relates to the visible symptoms experienced by those affected.

While rosacea can manifest similar symptoms of redness and visible blood vessels, it typically includes other characteristics, such as inflammation, pimple-like bumps, and flushing. Dermatitis refers to skin inflammation that can have various causes but is not primarily defined by distended capillaries. Acanthosis nigricans involves darkened patches of skin, often associated with insulin resistance, and does not pertain to capillary dilation or redness. Thus, the specific nature of telangiectasia makes it the correct answer, clearly linking the condition with the described characteristics of redness and distended capillaries.