A Young Woman With Indurated Skin and Subcutaneous Lesions

1. What is (are) this patient’s most striking clinical and laboratory finding(s)? 2. How do you explain these findings? 3. What is this patient’s most likely diagnosis? 4. What is the incidence of this patient’s disorder? 5. What is the characteristic clinical presentation of an individual with this patient’s condition? 6. What is the etiology of this patient’s disorder? 7. What are the typical pathological findings on skin biopsy of an individual with this patient’s disorder? 8. What is the differential diagnosis in a patient with signs, symptoms, and laboratory findings similar to those of the patient reported in this case study? 9. What is the treatment for this patient’s condition?