A medical student could not deliver seminar, fearing his senior despite knowing that they are suppoive. He fuher has difficulty speaking in front of others and also avoids going to the paies. The most likely diagnosis is :
**Social Anxiety Disorder**
**Core Concept**
Social anxiety disorder, previously known as social phobia, is a psychiatric condition characterized by an excessive and persistent fear of social or performance situations in which the person is exposed to possible scrutiny by others. This fear leads to avoidance of social interactions and situations, causing significant distress or impairment in social, occupational, or other areas of functioning.
**Why the Correct Answer is Right**
The medical student's fear of speaking in front of his senior despite knowing they are supportive is a classic example of social anxiety disorder. This condition is often associated with feelings of self-consciousness, embarrassment, and fear of being judged or evaluated by others. The student's difficulty speaking in front of others and avoiding parties are also common symptoms of social anxiety disorder. This condition is thought to be related to abnormalities in brain regions involved in emotional processing, such as the amygdala and prefrontal cortex.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is not provided.
* **Option B:** While social anxiety disorder can co-occur with other conditions, such as depression or substance use disorders, it is not a separate diagnosis.
* **Option C:** Avoidant personality disorder is a distinct psychiatric condition characterized by pervasive feelings of inadequacy and social avoidance, but it is not the most likely diagnosis in this scenario.
* **Option D:** This option is not provided.
**Clinical Pearl / High-Yield Fact**
Social anxiety disorder is often underdiagnosed or misdiagnosed, as individuals may present with symptoms that are masked by other conditions, such as depression or substance use disorders. A thorough clinical evaluation, including a comprehensive psychiatric and medical history, is essential for accurate diagnosis and treatment.
**Correct Answer:** C.