Fungus ball diagnosed on computed tomography (CT) guided needle biopsy of thoracic lesions

Ref ID: 18421

Author:

Mehrdad Bakhshayesh, Pooyeh Graili, Soheyla Zahirifard.

Author address:

Radiology
Department, National Research Institute of Tuberculosis and Lung Diseaes,
Tehran, Islamic Republic of Iran

Full conference title:

European Respiratory Congress

Abstract:

Background: CT-guided biopsy provides results in a short period and can be
applied on outpatient and even high risk patients however; some studies do not
recommend it in lesions with benign histology probability
Objectives: To report our experience regarding fungus ball diagnosis on CT-guided
biopsy and to identify the complication rate of procedure.
Materials and methods: We evaluated 99 CT-guided biopsies of infected thoracic
lesions performed from March 2004 to December 2008, retrospectively. All biopsies
were performed by one radiologist by westcott needle number 20 and 18.
The CTs were assessed by a trained general practitioner for the size and location
of lesions and pneumothorax or pneumomediastinum diagnosis and then all CTs
were double checked by the same radiologist. Lesions considered fungus and their
differentiations based on pathology reports.
Results: During four year study 20 fungus lesions (15 male and 5 female) were
found with the mean age 54.75 years (ranging: 19-77). In these series there were
16 (80%) Aspergillosis, 2 (10%) Mucor mycosis and 2 undifferentiated fungus
bal. The mean diameter of lesions and lesion distance to chest wall were 5.650 cm
(range: 1 to 11.5) and 0.75 cm (range: 0 to 3), respectively. Nine (45%) fungus
lesions were located in left upper, 4 (20%) in right lower, 4 (20%) in right upper
and the rest (15%) in left lower and right middle lobes. Pneumothorax occurred in
2 cases (1 Aspergillosis and 1 Mucor mycosis) while chest tube was placed only
for patient with Mucor mycosis to manage the complication. Conclusion: CT-guided needle biopsy seems to be safe and feasible diagnostic
modality with low risk probability of complications for fungus balls.

Abstract Number: P3678

Conference Year: 2011

Link to conference website: http://www.ers-education.org/ersMade/abstract_print_11/files/Abstract_book_2011.pdf

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