A 35 year old lady complains of dysphagia, Raynaud’s phenomenon and her hands show the following appearance. Investigations show positive ANA. The likely diagnosis is
**Core Concept**
The underlying condition being tested involves an autoimmune disorder characterized by **scleroderma**, which affects the skin and multiple internal organs. This condition is often associated with **autoantibodies**, including a positive **ANA (Antinuclear Antibody)** test.
**Why the Correct Answer is Right**
The correct diagnosis is likely **Limited Systemic Sclerosis (LSSc)**, also known as **CREST syndrome**, which is characterized by **Calcinosis**, **Raynaud's phenomenon**, **Esophageal dysmotility**, **Sclerodactyly**, and **Telangiectasia**. The presence of **dysphagia** and **Raynaud's phenomenon**, along with a positive **ANA** and the described hand appearance, supports this diagnosis.
**Why Each Wrong Option is Incorrect**
**Option A:** This choice is incorrect because it does not match the provided clinical scenario.
**Option B:** Similarly, this option does not align with the symptoms and test results described.
**Option D:** This choice is also incorrect as it does not fit the combination of dysphagia, Raynaud's phenomenon, and positive ANA.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that **scleroderma** can lead to significant morbidity due to its effects on the skin and internal organs, and a positive **ANA** is a common finding in these patients.
**Correct Answer:** C. Limited Systemic Sclerosis.