Sarcoidosis

(M2.PL.17.4728) A 30-year-old woman presents to the clinic for evaluation of chronic dry cough of 3-months duration. She denies shortness of breath, hemoptysis, night sweats, or weight loss but does endorse occasional subjective fevers, joint discomfort, and recurrent crops of painful nodules on her legs. Her temperature is 99.2°F (37.3°C), pulse is 60/min, blood pressure is 112/74 mmHg, respirations are 14/min, and oxygen saturation is 98% on room air. Her laboratory test results are shown below:

Leukocyte count: 7,200/mm^3
Hemoglobin: 12.1 g/dL
Platelet count: 400,000/mm^3

Serum:
Na+: 135 mEq/L
K+: 5 mEq/L
Cl-: 100 mEq/L
HCO3-: 24 mEq/L
BUN: 20 mg/dL
Creatinine: 1.1 mg/dL
Glucose: 105 mg/dL
Ca2+: 11.5 mg/dL
Mg2+: 2.0 mg/dL
Phosphorus (inorganic): 3.2 mg/dL

Which of the following chest radiographs would most likely be present in this patient?

(M2.PL.17.4686) A 40-year-old woman presents to the clinic for malaise. She has been in her usual state of health until 2 weeks ago, when she noticed weakness and dyspnea upon exertion. She denies any orthopnea, paroxymal noctural dyspnea, or weight loss. She endorses occasional fevers but has not checked her temperature at home. She also reports worsening pain in her eyes that occasionally causes headaches and occasional joint pain. Her temperature is 98.6°F (37°C), blood pressure is 120/70 mmHg, pulse is 70/min, and respirations are 15/min. Physical exam shows injected sclera bilaterally. She denies pain with eye movement. Her lungs are clear to auscultation bilaterally. Cardiac auscultation reveals an S3 with an occasionally split S2. A chest radiograph is obtained and shown in Figure A. Her lower extremities reveal skin findings shown in Figure B. Which of the following is the most likely diagnosis?