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Pulmonary Actinomycosis Imitating Lung Cancer on (18)F-FDG PET/CT: A Case Report and Literature Review.

Qiu L, Lan L, Feng Y, Huang Z, Chen Y - Korean J Radiol (2015)

Bottom Line: Here we report a case of 41-year-old man with a soft tissue density mass at right upper lung and palpable abscesses at right upper backside and right wrist. (18)F-fluorodeoxyglucose positron emission tomography/computed tomography demonstrated a 7.8 × 5.0 cm mass with soft-tissue density in the upper lobe of the right lung with high metabolic activity.Final diagnosis of pulmonary actinomycosis with multiple abscesses was made.The patient responded well to antibiotics treatment.

View Article: PubMed Central - PubMed

Affiliation: Department of Nuclear Medicine, The First Affiliated Hospital, Sichuan Medical University, Luzhou, Sichuan 64600, China.

ABSTRACT
Here we report a case of 41-year-old man with a soft tissue density mass at right upper lung and palpable abscesses at right upper backside and right wrist. (18)F-fluorodeoxyglucose positron emission tomography/computed tomography demonstrated a 7.8 × 5.0 cm mass with soft-tissue density in the upper lobe of the right lung with high metabolic activity. The infiltrative mass extended to adjacent chest wall soft tissue. Final diagnosis of pulmonary actinomycosis with multiple abscesses was made. The patient responded well to antibiotics treatment.

No MeSH data available.


Related in: MedlinePlus

41-year-old man with pulmonary actinomycosis imitating lung cancer with pathological analysis.J. Pathological result (hematoxylin-eosin staining, × 100) revealedchronic inflammation with proliferation of fibrotic granulation tissue.
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Figure 3: 41-year-old man with pulmonary actinomycosis imitating lung cancer with pathological analysis.J. Pathological result (hematoxylin-eosin staining, × 100) revealedchronic inflammation with proliferation of fibrotic granulation tissue.

Mentions: A CT-guided lung puncture biopsy was implemented to confirm the nature of the pulmonary mass. Pathological analysis revealed chronic inflammation with proliferation of fibrotic granulation tissue (Fig. 1J). Actinomyces odontolyticus was cultured from biopsy specimen. Several days later, 4-5 mL yellowish pus was leaked out of the previous puncture pore. A little pus was collected by squeezing the puncture pinhole after sterilization. In the meantime, 0.5 mL pus was aspirated by puncturing the right wrist abscess. Actinomyces odontolyticus was also cultured from different pus. Thus, a final diagnosis of pulmonary actinomycosis with multiple abscesses was made. Results of in vitro antimicrobial susceptibility tests for different pus were identical. The organism was sensitive to cefuroxime, levofloxacin, and penicillin. Finally, the patient received treatment with intravenous antibiotics (piperacillin-sulbactam combined with levofloxacin) followed by oral antibiotics (cefuroxime combined with levofloxacin) for 14 days. He recovered without complications.


Pulmonary Actinomycosis Imitating Lung Cancer on (18)F-FDG PET/CT: A Case Report and Literature Review.

Qiu L, Lan L, Feng Y, Huang Z, Chen Y - Korean J Radiol (2015)

41-year-old man with pulmonary actinomycosis imitating lung cancer with pathological analysis.J. Pathological result (hematoxylin-eosin staining, × 100) revealedchronic inflammation with proliferation of fibrotic granulation tissue.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4644747&req=5

Figure 3: 41-year-old man with pulmonary actinomycosis imitating lung cancer with pathological analysis.J. Pathological result (hematoxylin-eosin staining, × 100) revealedchronic inflammation with proliferation of fibrotic granulation tissue.
Mentions: A CT-guided lung puncture biopsy was implemented to confirm the nature of the pulmonary mass. Pathological analysis revealed chronic inflammation with proliferation of fibrotic granulation tissue (Fig. 1J). Actinomyces odontolyticus was cultured from biopsy specimen. Several days later, 4-5 mL yellowish pus was leaked out of the previous puncture pore. A little pus was collected by squeezing the puncture pinhole after sterilization. In the meantime, 0.5 mL pus was aspirated by puncturing the right wrist abscess. Actinomyces odontolyticus was also cultured from different pus. Thus, a final diagnosis of pulmonary actinomycosis with multiple abscesses was made. Results of in vitro antimicrobial susceptibility tests for different pus were identical. The organism was sensitive to cefuroxime, levofloxacin, and penicillin. Finally, the patient received treatment with intravenous antibiotics (piperacillin-sulbactam combined with levofloxacin) followed by oral antibiotics (cefuroxime combined with levofloxacin) for 14 days. He recovered without complications.

Bottom Line: Here we report a case of 41-year-old man with a soft tissue density mass at right upper lung and palpable abscesses at right upper backside and right wrist. (18)F-fluorodeoxyglucose positron emission tomography/computed tomography demonstrated a 7.8 × 5.0 cm mass with soft-tissue density in the upper lobe of the right lung with high metabolic activity.Final diagnosis of pulmonary actinomycosis with multiple abscesses was made.The patient responded well to antibiotics treatment.

View Article: PubMed Central - PubMed

Affiliation: Department of Nuclear Medicine, The First Affiliated Hospital, Sichuan Medical University, Luzhou, Sichuan 64600, China.

ABSTRACT
Here we report a case of 41-year-old man with a soft tissue density mass at right upper lung and palpable abscesses at right upper backside and right wrist. (18)F-fluorodeoxyglucose positron emission tomography/computed tomography demonstrated a 7.8 × 5.0 cm mass with soft-tissue density in the upper lobe of the right lung with high metabolic activity. The infiltrative mass extended to adjacent chest wall soft tissue. Final diagnosis of pulmonary actinomycosis with multiple abscesses was made. The patient responded well to antibiotics treatment.

No MeSH data available.


Related in: MedlinePlus