**Core Concept**
Coagulative necrosis is a type of accidental cell death that occurs due to ischemia, typically in solid organs such as the kidney, liver, and heart. This form of necrosis is characterized by the preservation of the cell's outline and structure, giving it a "ghost-like" appearance under microscopic examination.

**Why the Correct Answer is Right**
Coagulative necrosis occurs when there is a sudden loss of blood flow and oxygen supply to an organ, leading to the denaturation of proteins and the eventual death of cells. This process is often reversible if blood flow is restored promptly, but irreversible damage occurs if the ischemia persists. The coagulative nature of this type of necrosis is due to the aggregation of denatured proteins, which gives the affected cells a characteristic "coagulated" appearance.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect as it does not accurately describe coagulative necrosis. Coagulative necrosis is not typically associated with the death of cells due to infection.
**Option B:** This option is incorrect as it does not accurately describe coagulative necrosis. Coagulative necrosis is not typically associated with the death of cells due to radiation exposure.
**Option C:** This option is incorrect as it does not accurately describe coagulative necrosis. Coagulative necrosis is not typically associated with the death of cells due to toxins.

**Clinical Pearl / High-Yield Fact**
Coagulative necrosis is often reversible if blood flow is restored promptly, but irreversible damage occurs if the ischemia persists. This highlights the importance of prompt medical intervention in cases of suspected ischemic injury.

**Correct Answer: D. Coagulative necrosis is characterized by the preservation of the cell's outline and structure, giving it a "ghost-like" appearance under microscopic examination.**