A child comes with abdomen pain, arthralgia, hematuria, hypertension diagnosis is-
**Core Concept**
The child's presentation of abdominal pain, arthralgia, hematuria, and hypertension suggests a systemic disease that affects multiple organ systems. This condition is characterized by the deposition of immune complexes in various tissues, leading to inflammation and tissue damage.
**Why the Correct Answer is Right**
The correct diagnosis is Systemic Lupus Erythematosus (SLE). SLE is a chronic autoimmune disease that can affect any organ system, including the kidneys (causing hematuria and hypertension), joints (causing arthralgia), and gastrointestinal system (causing abdominal pain). The deposition of immune complexes in the kidneys leads to glomerulonephritis, which can cause hematuria and hypertension. The exact mechanism of SLE is not fully understood, but it is thought to involve a combination of genetic predisposition and environmental triggers.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is likely a distractor, and the actual answer is not provided. However, if we assume a common pediatric condition, such as appendicitis, it would not explain the child's systemic symptoms like arthralgia and hematuria.
**Option B:** This option is also a distractor, and the actual answer is not provided. However, if we assume a condition like Henoch-Schönlein purpura (HSP), it would not typically cause hypertension or the full range of systemic symptoms seen in this child.
**Option C:** This option is another distractor, and the actual answer is not provided. However, if we assume a condition like kidney stones, it would not explain the child's systemic symptoms like arthralgia and hypertension.
**Clinical Pearl / High-Yield Fact**
SLE is a classic example of a "great imitator" disease, meaning it can mimic many other conditions, making diagnosis challenging. A key diagnostic criterion is the presence of four or more of the following: malar rash, discoid rash, photosensitivity, oral ulcers, arthritis, serositis, renal disorder, seizures, or psychosis.
**Correct Answer:** C.