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Pulmonary myofibroblastic nodules with "amianthoid features".
P Meister1, W Wöckel, D Schmidt
1Institut für Pathologie, Städt, Krankenhaus München-Harlaching, FRG.
Pathology, Research and Practice
|September 1, 1991
Summary
This study reports a rare spindle-cell tumor found in lymph nodes, characterized by collagen nodules. A similar case presented with pulmonary nodules, lacking lymph node tissue.
Area of Science:
- Oncology
- Pathology
- Surgical Pathology
Background:
- Two 1989 publications described unique spindle-cell tumors exclusively in adult inguinal lymph nodes.
- These tumors were termed "Palisaded myofibroblastoma" and "Intranodal hemorrhagic spindle-cell tumor with amianthoid fibers".
Observation:
- The current case report details a similar tumorous lesion.
- This lesion presented with multiple small pulmonary nodules.
- Crucially, recognizable lymph node constituents were absent in the observed lesion.
Findings:
- The reported tumor exhibits characteristics of spindle-cell proliferation.
- Dense collagen or hyaline nodules are a key feature.
- The presence of pulmonary nodules suggests potential metastatic or unique extranodal behavior.
Implications:
- This case expands the known presentation of this rare tumor type.
- It highlights the importance of considering extranodal involvement.
- Further research is needed to understand the behavior and origin of these spindle-cell tumors.