# Good Syndrome in a Young Woman: An Unusual Presentation

## TL;DR

A young woman with Good Syndrome, a rare condition involving a thymoma and immunodeficiency, is reported, emphasizing the need for early diagnosis and multidisciplinary care.

## Contribution

This paper presents a rare case of Good Syndrome in a young woman with a complex thymoma and highlights the importance of early diagnosis.

## Key findings

- The patient had a B1 thymoma invading multiple structures and immunodeficiency, consistent with Good Syndrome.
- Despite initial treatment, the thymoma recurred after three years, requiring further intervention.
- The case underscores the need for comprehensive care and early diagnosis in young patients with recurrent infections.

## Abstract

Good Syndrome is a rare disease that comprises the presence of a thymoma, immunodeficiency, and recurrent opportunistic infections.

We report the case of a young woman who was diagnosed with Good Syndrome, who had a long-term history of recurrent infections, often due to atypical agents, and who also had a previous history of immunodeficiency and a B1 thymoma invading the large vessels, lung, and pericardium (Masaoka stage IV). She underwent surgical resection of the mediastinal mass, requiring vena cava superior reconstruction due to the extent of invasion, followed by adjuvant radiotherapy and immunoglobulin G supplementation. Despite relative stability in the subsequent years, without serious infections, after three years she had a thymoma recurrence requiring a new therapeutic approach.

This case highlights the importance of a thorough investigation of the underlying causes of recurrent infections, which may be the result of an immunodeficiency secondary to malignancy. In young patients, early diagnosis is crucial to avoid disease progression and to reduce mortality rates. To achieve such outcomes, a multidisciplinary team and a comprehensive therapeutic strategy are necessary.