A patient 18 years of age with sebaceous cysts on the scalp and back of the neck, an osteroma on the right mandible; Radiographs reveal multiple impacted supernumerary teeth in both jaws. These findings suggest
**Core Concept**
The patient's combination of physical findings and radiographic evidence points to a condition characterized by the presence of supernumerary teeth, which are additional teeth that develop alongside normal teeth, often causing overcrowding or impaction. This condition is typically associated with a specific genetic or developmental disorder.
**Why the Correct Answer is Right**
The patient's symptoms, including sebaceous cysts and an osteroma (also known as a bone tumor), are characteristic of the cleidocranial dysplasia (CCD) syndrome. CCD is a rare genetic disorder that affects the development of teeth, bones, and other tissues. The presence of multiple impacted supernumerary teeth, along with the other physical findings, is a hallmark of this condition. The impacted supernumerary teeth can cause a range of problems, including overcrowding, tooth displacement, and potentially even tooth loss.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is not relevant to the patient's symptoms, as it refers to a different condition altogether.
**Option B:** While supernumerary teeth can be associated with various conditions, the combination of physical findings and radiographic evidence in this patient points more specifically to cleidocranial dysplasia.
**Option C:** This option is incorrect because it does not accurately describe the patient's condition.
**Clinical Pearl / High-Yield Fact**
Cleidocranial dysplasia is a rare genetic disorder that affects approximately 1 in 1 million people worldwide. It is characterized by a range of physical findings, including supernumerary teeth, delayed closure of the cranial sutures, and skeletal abnormalities.
**Correct Answer:** B. Cleidocranial dysplasia