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[Imaging in isolated pulmonary immunocytoma].

A Mundinger¹, A Geissler, G Würtemberger

¹Abteilung Röntgendiagnostik Radiologischen Universitätsklinik Freiburg.

Bildgebung = Imaging

|March 1, 1992

Summary

Extranodal pulmonary immunocytoma, a rare lung tumor, was initially misdiagnosed as mid-lobe syndrome. Surgical removal resolved the associated monoclonal gammopathy, which later recurred.

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Area of Science:

Oncology
Pulmonary Medicine
Hematology

Background:

Extranodal immunocytoma is a rare lymphoid neoplasm that can originate in the lung.
Accurate diagnosis of pulmonary tumors can be challenging, especially when presenting with atypical imaging findings.

Observation:

A case of extranodal pulmonary immunocytoma initially masked as mid-lobe syndrome on serial imaging over 1.5 years.
The tumor exhibited local progression with calcifications, detected via radiography and computed tomography.
A concurrent monoclonal gammopathy was identified, coinciding with tumor progression.

Findings:

Surgical resection of the pulmonary lymphoma led to the disappearance of the monoclonal gammopathy.
Recurrence of monoclonal gammopathy was observed eight months post-resection, suggesting residual disease or a complex relationship.

Implications:

This case highlights the importance of considering rare diagnoses like pulmonary immunocytoma in persistent lung abnormalities.
The interplay between pulmonary lymphoma and monoclonal gammopathy warrants further investigation.
Management strategies for extranodal pulmonary lymphomas may need to account for potential hematologic recurrence.

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