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Spontaneous Subgaleal Abscess Associated with Lung Adenocarcinoma: First Description of This Unusual Association
Giuseppe Emmanuele Umana1, Gianluca Scalia2, Saverio Fagone1
1Department of Neurosurgery, Trauma Center, Gamma Knife Center, Cannizzaro Hospital, Catania, Italy.
Background:
Primary, spontaneous, or de novo subgaleal abscesses represent extremely rare lesions usually related to patients with risk factors and predisposing conditions for infections. They are associated with high morbidity, and a proper diagnosis can be misleading. To the best of our knowledge, this is the first reported case of a de novo subgaleal abscess not related to previous traumatic head injury and associated with lung adenocarcinoma.
Case Description:
A 59-year-old man was admitted to our unit because he presented fever and a palpable subcutaneous right parietal mass. No history of traumatic head injury was mentioned. The patient underwent needle aspiration of the subgaleal lesion for microbiological, histological, and cytological examination, with negative response. Chest radiograph and then thoracic computed tomography scan revealed the presence of 2 lesions in the left lung. Complete removal with surgical debridement of the parietal bone lesion was performed due to the suspicion of an abscessualized skull metastasis from a primary lung adenocarcinoma.
Conclusions:
We strongly suggest a patient global assessment in the event of subgaleal abscess without history of traumatic head injury, to treat eventual associated findings as soon as possible.
Insights
This case report details a rare de novo subgaleal abscess in a patient without head trauma, linked to lung adenocarcinoma. Early global assessment is crucial for diagnosing associated conditions.
Area of Science:
- Neurology
- Oncology
- Infectious Diseases
Background:
- Subgaleal abscesses are rare, often linked to risk factors and predisposing conditions.
- These lesions can be misleading and are associated with high morbidity.
- This is the first reported case of a de novo subgaleal abscess without prior head trauma, associated with lung adenocarcinoma.
Observation:
- A 59-year-old man presented with fever and a palpable subcutaneous right parietal mass.
- Needle aspiration of the subgaleal lesion yielded negative results for microbiological, histological, and cytological examination.
- Chest imaging revealed two lesions in the left lung.
Findings:
- Surgical debridement of the parietal bone lesion was performed.
- The lesion was suspected to be an abscessualized skull metastasis from primary lung adenocarcinoma.
Implications:
- A global patient assessment is recommended for subgaleal abscesses without a history of traumatic head injury.
- Prompt diagnosis and treatment of associated findings are essential for patient outcomes.
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