A 35-year-old woman presents to the clinic with a 2-month history of a painless mass on the back of her right wrist. She reports the mass has gradually increased in size. On examination, there is a 2 cm, firm, smooth, non-tender mass over the dorsum of the wrist that transilluminates when light is applied. There is no associated erythema or warmth, and wrist movements are unrestricted.

What is the most appropriate next step in the management of this patient?

A) Magnetic resonance imaging (MRI) of the wrist
B) Surgical excision of the mass
C) Aspiration of the mass
D) Reassurance and observation
E) Corticosteroid injection into the mass

Answer: D) Reassurance and observation

Explanation: The patient presents with a typical ganglion cyst, which is benign and often resolves spontaneously. Observation is the most appropriate initial management. Aspiration or surgical excision can be considered if the cyst becomes painful or interferes with function.

Repetitive Joint or Tendon Trauma/Stress
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Degeneration of Connective Tissue
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Leakage of Synovial Fluid from Joint/Tendon Sheath
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Fluid Accumulation in a Cystic Sac
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Formation of Ganglion Cyst (Fluid-filled Mass)
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Painless or Mildly Painful Lump on Wrist or Hand
↓
Diagnosis via Clinical Exam or Imaging (Ultrasound/MRI)
↓
Treatment (Aspiration or Surgical Removal)

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