A diabetic patient is at greatest risk of developing which of the following type of retinal detachment?
**Core Concept**
Diabetic retinopathy is a complication of diabetes that can lead to various retinal abnormalities, including retinal detachment. The risk of retinal detachment is increased in diabetic patients due to the formation of new blood vessels and the subsequent tractional forces on the retina.
**Why the Correct Answer is Right**
Tractional retinal detachment occurs in diabetic patients due to the formation of fibrovascular tissue on the surface of the retina. This fibrovascular tissue contracts, pulling the retina away from the underlying retinal pigment epithelium, leading to a tractional retinal detachment. The risk of tractional retinal detachment is increased in diabetic patients with proliferative diabetic retinopathy, a condition characterized by the formation of new, fragile blood vessels on the surface of the retina.
**Why Each Wrong Option is Incorrect**
**Option A:** Rhegmatogenous retinal detachment occurs due to a tear or hole in the retina, allowing fluid to seep underneath the retina and causing it to detach. This type of retinal detachment is not specifically associated with diabetes.
**Option B:** Exudative retinal detachment occurs due to the accumulation of fluid beneath the retina, often as a result of cancer or other diseases. While diabetes can cause exudative changes in the retina, it is not the primary risk factor for this type of retinal detachment.
**Option C:** Serous retinal detachment occurs due to the accumulation of fluid in the subretinal space, often as a result of age-related macular degeneration. This type of retinal detachment is not specifically associated with diabetes.
**Clinical Pearl / High-Yield Fact**
Diabetic patients with proliferative diabetic retinopathy are at increased risk of tractional retinal detachment, which can lead to significant vision loss if left untreated. Early detection and treatment of diabetic retinopathy are crucial to prevent this complication.
**Correct Answer:** C. Tractional retinal detachment.