Cerebral malaria is caused by:
**Core Concept**
Cerebral malaria is a severe complication of *Plasmodium falciparum* infection, characterized by the clinical symptoms of malaria with evidence of cerebral involvement. The underlying pathophysiology involves *sequestration* of infected red blood cells within the cerebral microvasculature. This leads to *inflammation* and *ischemia*, resulting in neurological symptoms.
**Why the Correct Answer is Right**
The correct answer is related to *Plasmodium falciparum*, as it is the primary cause of cerebral malaria. The *sequestration* of infected red blood cells is mediated by *adhesion molecules* such as ICAM-1 and VCAM-1, which are expressed on the surface of *endothelial cells*.
**Why Each Wrong Option is Incorrect**
**Option A:** Other *Plasmodium* species, such as *P. vivax*, are less likely to cause cerebral malaria.
**Option B:** *P. malariae* is more commonly associated with *nephrotic syndrome*.
**Option C:** *P. ovale* is typically associated with a milder form of malaria.
**Why Each Wrong Option is Incorrect (Continued)**
**Option D:** While other species can cause malaria, they are not typically associated with cerebral involvement.
**Clinical Pearl / High-Yield Fact**
Cerebral malaria is a medical emergency, and prompt treatment with *antimalarial medications* such as *artesunate* is essential to prevent *mortality*.
**Correct Answer:** D. Plasmodium falciparum.