**Core Concept:**
Battered baby syndrome, also known as Shaken Baby Syndrome (SBS), is a clinical entity characterized by a pattern of injuries that occur in infants due to violent shaking. These injuries are often misinterpreted as natural developmental findings. The condition is caused by the sudden violent shaking of an infant, leading to a range of injuries such as retinal hemorrhages, subdural hematomas, and encephalopathy.

**Why the Correct Answer is Right:**
The correct answer, D, refers to the characteristic radiological findings in the setting of battered baby syndrome. These findings include:

1. **Subdural Hemorrhages:** These are bleeding between the two layers of the dura mater, the outer cover of the brain. They are often bilateral (occurring on both sides of the brain) and demonstrate a characteristic "sandwich" appearance on imaging studies.
2. **Intraventricular Hemorrhages:** These are bleeding in the spaces surrounding the brain's ventricles. They are commonly found in cases of battered baby syndrome due to the increased intracranial pressure and trauma caused by violent shaking.
3. **Retinal hemorrhages:** These are bleeding in the retina, the light-sensitive tissue at the back of the eye. In the context of battered baby syndrome, these hemorrhages are usually bilateral and are often described as "petechial" or "spider web" pattern due to their scattered distribution.

**Why Each Wrong Option is Incorrect:**
A. This option refers to the clinical presentation of SBS, not the radiological findings, making it incorrect.
B. This option mentions "ependymal hemorrhages," which are bleeding within the brain's protective membrane called the ependyma, and are not specific to SBS.
C. This option refers to subarachnoid hemorrhages, which are bleeding between the brain and the subarachnoid space, not specifically related to SBS.

**Clinical Pearls:**
Battered baby syndrome is a serious condition that should prompt a thorough evaluation of the child's history, physical examination, and appropriate investigations. These radiological findings are crucial in establishing the diagnosis and guiding further management of these cases. It is essential to differentiate between these findings and those seen in other conditions, such as trauma or congenital causes, by consulting with a pediatric radiologist or pediatrician. Prompt recognition and management are key to preventing neurological complications and improving the child's prognosis.