Evidence map›Paper›PMID 42534859›Full record

ArticleFrontiers in oncology2026

Neoadjuvant chemotherapy enabling resection of stage IVA thymoma with myasthenia gravis and systemic lupus erythematosus: a case report.

Carlos A Cedeno, Edgardo Santiago, Alex R Cedeño, Jean Lafontaine, Maria J Marcos, Omar Concepción

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In one paragraph

Article in Frontiers in oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Carlos A CedenoHematology and Medical Oncology Section, Department of Medicine, University of Puerto Rico School of Medicine, San Juan, Puerto Rico.
Edgardo SantiagoHematology and Medical Oncology Section, Department of Medicine, University of Puerto Rico School of Medicine, San Juan, Puerto Rico.
Alex R CedeñoCentro Cardiovascular de Puerto Rico y del Caribe, University of Puerto Rico School of Medicine, San Juan, Puerto Rico.
Jean LafontaineDepartment of Pathology and Laboratory Medicine, University of Puerto Rico School of Medicine, San Juan, Puerto Rico.
Maria J MarcosDepartment of Pathology and Laboratory Medicine, University of Puerto Rico School of Medicine, San Juan, Puerto Rico.
Omar ConcepciónDepartment of Radiology, University of Puerto Rico School of Medicine, San Juan, Puerto Rico.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Thymomas are rare epithelial tumors of the anterior mediastinum associated with autoimmune disease, particularly myasthenia gravis (MG). The coexistence of thymoma, MG, and systemic lupus erythematosus (SLE) is uncommon and can complicate diagnosis due to overlapping autoimmune manifestations. Management of advanced thymoma is challenging given limited prospective data and an uncertain optimal role for neoadjuvant therapy. Case presentation: A 32-year-old woman with systemic lupus erythematosus (SLE) presented with progressive proximal muscle weakness, diplopia, and dysphagia. Examination and serologic testing confirmed MG with elevated acetylcholine receptor antibodies. Chest computed tomography showed an anterior mediastinal mass (8.7 × 6.0 × 8.8 cm) abutting major mediastinal vessels, including the left superior pulmonary vein, main pulmonary artery trunk, left atrial appendage, and left brachiocephalic vein with concern for vascular invasion, along with pleural drop metastases. CT-guided core needle biopsy demonstrated thymoma, and the disease was staged as clinical stage IVA (cT2N0M1a). She received four cycles of cisplatin, doxorubicin, and cyclophosphamide (CAP) followed by two cycles of carboplatin and paclitaxel. Neoadjuvant therapy led to significant clinical improvement, near-complete resolution of dysphagia and weakness, marked radiographic tumor regression, and disappearance of pleural lesions. She subsequently underwent median sternotomy with extended thymectomy and en bloc resection of involved mediastinal tissues. Final pathology confirmed predominantly type B3 thymoma with negative margins. Postoperative radiotherapy was administered. At latest follow-up, she had complete resolution of MG symptoms and no radiographic evidence of recurrent disease. Conclusion: This case highlights challenges in managing

Indexed as

myasthenia gravisneoadjuvant chemotherapyparaneoplastic syndromesystemic lupus erythematosusthymectomythymoma

Identifiers

PMID42534859
PMCPMC13422200

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