**Core Concept**
Eccchymoses and petechiae are manifestations of a bleeding disorder. The absence of hepatosplenomegaly suggests that the bleeding disorder is not due to a hematological malignancy or a storage disorder. The presence of these skin manifestations indicates a problem with blood coagulation or platelet function.

**Why the Correct Answer is Right**
The patient's symptoms are suggestive of a coagulopathy. The absence of hepatosplenomegaly makes a hematological malignancy or storage disorder less likely. The presence of eccchymoses and petechiae indicates impaired platelet function or coagulation factor deficiency.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is a distractor and does not accurately describe the patient's condition. The patient's symptoms are not consistent with a coagulopathy due to liver disease.

**Option B:** This option is a distractor and does not accurately describe the patient's condition. The patient's symptoms are not consistent with a bleeding disorder due to platelet dysfunction.

**Option C:** This option is a distractor and does not accurately describe the patient's condition. The patient's symptoms are not consistent with a bleeding disorder due to a deficiency in clotting factors.

**Option D:** This option is the correct answer. The patient's symptoms are consistent with a bleeding disorder due to a deficiency in von Willebrand factor (VWF), which is a critical component of platelet adhesion.

**Clinical Pearl / High-Yield Fact**
Von Willebrand disease (VWD) is the most common inherited bleeding disorder, affecting approximately 1% of the population. It is caused by a deficiency or dysfunction of von Willebrand factor, which is essential for platelet adhesion to the site of injury.

**Correct Answer:** D. von Willebrand disease.