VB
Vikas Bhardwaj
Medical Technologist, AIIMS New Delhi
Updated: Apr 17, 2026
**Core Concept**
The child's presentation is suggestive of a bleeding disorder, likely due to a platelet-related issue given the presence of petechiae, oozing from the venipuncture site, and non-blanching purple lesions. The peripheral blood smear is likely to show a thrombocytopenia or thrombocytopenic disorder.
**Why the Correct Answer is Right**
The child's symptoms are consistent with a platelet function disorder. The presence of non-blanching purple lesions and petechiae indicates that the child is experiencing easy bruising and bleeding, which is a hallmark of thrombocytopenia. The oozing from the venipuncture site further supports this diagnosis. The peripheral blood smear is likely to show a low platelet count, which would lead to abnormal clotting studies. The correct answer is likely to reflect a disorder of platelet function or a coagulopathy.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect because it does not accurately reflect the child's presentation. The child's symptoms are more consistent with a platelet-related disorder rather than a coagulation factor deficiency.
* **Option B:** This option is incorrect because it does not account for the child's thrombocytopenia. The child's symptoms are more consistent with a platelet-related disorder rather than a bleeding diathesis due to a coagulation factor deficiency.
* **Option C:** This option is incorrect because it does not accurately reflect the child's presentation. The child's symptoms are more consistent with a platelet-related disorder rather than a bleeding disorder due to a platelet function disorder.
**Clinical Pearl / High-Yield Fact**
In children with suspected thrombocytopenia, a peripheral blood smear should be performed to evaluate the platelet count and morphology. A low platelet count can be due to a variety of causes, including immune thrombocytopenia purpura (ITP), thrombotic thrombocytopenic purpura (TTP), or disseminated intravascular coagulation (DIC).
**Correct Answer:** .