11/05/2026
Successful Surgery for Thymic Carcinoma in a Patient with Myasthenia Gravis
A 47-year-old patient presented with Myasthenia Gravis (MG), a condition in which the body’s immune system affects communication between nerves and muscles, leading to weakness and fatigue. During evaluation, imaging revealed a thymic mass (thymoma).
Understanding the condition
The thymus gland, located in the chest behind the breastbone, plays an important role in the immune system. In patients with Myasthenia Gravis, abnormalities of the thymus are common:
Around 10–15% of patients with Myasthenia Gravis have a thymoma (tumor of the thymus).
Nearly 30–50% of patients with thymoma may develop Myasthenia Gravis.
Thymic carcinoma is much rarer and more aggressive, accounting for only about 10–20% of all thymic epithelial tumors, with an incidence of approximately 1–2 cases per million people per year.
Why surgery is important
Surgical removal of the thymus (thymectomy) is often recommended in patients with thymoma because:
It removes the tumor completely.
It prevents local spread into surrounding vital structures.
It can improve symptoms and long-term control of Myasthenia Gravis.
Early surgery offers the best chance of cure.
The operation
The patient underwent surgery for removal of the thymic mass. During the operation:
The tumor was found to be hard and firm, suggesting a more aggressive pathology.
It was closely encasing the phrenic nerve (the nerve responsible for movement of the diaphragm and breathing).
Great care was taken to preserve the phrenic nerve, while ensuring complete removal of the mass.
The excised specimen was sent for histopathological examination, which confirmed the diagnosis of Thymic Carcinoma.
Post-operative treatment and outcome
Because thymic carcinoma can behave aggressively, the patient underwent adjuvant radiotherapy after surgery to reduce the risk of recurrence.
Today, the patient is doing very well, has recovered fully, and remains under regular follow-up.
