ILO 1980 INTERNATIONAL CLASSIFICATION OF RADIOGRAPHS OF THE PNEUMOCONIOSES

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ILO 1980 INTERNAT IONAL CLASSIFICATION OF RADIOGRAPHS OF TH E PNEUMOCONIOSES Ponglada Subhanna chart, M.D. Chest Disease Institute

description

ILO 1980 INTERNATIONAL CLASSIFICATION OF RADIOGRAPHS OF THE PNEUMOCONIOSES. Ponglada Subhannachart, M.D. Chest Disease Institute. Organic dust - natural - synthetic Inorganic dust เช่น silica, asbestos, iron, barium, titanium, beryllium, tin, talc, aluminum - PowerPoint PPT Presentation

Transcript of ILO 1980 INTERNATIONAL CLASSIFICATION OF RADIOGRAPHS OF THE PNEUMOCONIOSES

Page 1: ILO  1980 INTERNATIONAL CLASSIFICATION OF RADIOGRAPHS OF THE PNEUMOCONIOSES

1980ILO INTERNATTTTTT TTTTTTTTTTTTTT TT TTTTTTTTTTT TT TTT T

TTTTTTTTTTTTT Ponglada Subhanna

chart, M.D.

Chest Disease Institute

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• Organic dust - natural

- synthetic

• Inorganic dust เช่�น silica, asbestos, iron, barium, titanium, beryllium, tin, talc, aluminum

• Gas, Fume

สาเหตุ�ของ occupational lung disease

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• Inhaled dust • Lung fibrosis

• not include gas, fume,

organic dust

Pneumoconioses

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Disease produced CXR Pattern resem

ble pneumoconioses 1. Widespread nodular pattern

- TTTTTTT TT- TTTTTT TTTTTTTTT

- metastasis- TTTTTTTTTTT

- TTTTTTTTTTTTT T- TTTTTTTTTT-TTTTTTTT TT

- TTTTTTTTT TTTTTTTT TTTTTTTTTT- bronchiolitis- amyloidosis

- rheumatoid lung- alveolar microlithiasis etc.

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Disease produced CXR Pattern resem

ble pneumoconioses 2. Widespread irregular pattern

- Chronic bronchitis- interstitial pulmonary edema- interstitial pulmonary fibrosis

- lymphangitic carcinomatosis- unusual pneumonia- sarcoidosis- sensitivity pneumonitis- tuberculosis- - bronchiolo alveolar CA- rheumatoid lung- collagen disease- lymphangioleiomyomatosis

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Disease produced CXR Pattern

resemble pneumoconioses 3. Pleural change

• Pleural thickening Pleural thickening Pleural calcification Pleural calcification - - post traumatic, old infection p

ost traumatic, old infection - pleural metastasis - pleural metastasis - CA(pancoast tumor) - hyperparathyroidism - mesothelioma - histoplasmosis - collagen disease - parasitic disease - sarcoidosis

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Local fibroproductive Tuberculosis

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Miliary Tuberculosis

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Pneumoconiosis

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ILO CLASSI FI CATI ON

• ILO (International labouroffice) sinc e1 9 5 0

• devel opfor survei l l ance purpos e of airborne dust exposure

• nowuse‘classification1980’ with22standardfi l ms copyi ng by American college of radiolog

y to the another

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• Cover all types of pneumoconioses

• does not define pathological entities

• does not define working capacity• does not use in compensation purpose

ILO CLASSI FI CATI ON

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USES OF CLASSI FI CATI OT

• CLASSIFICATION BAS ED ON

- set of standard radiographs

- a written text - a set of notes

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USES OF CLASSI FI CATI OT

• NO PATHOGNOMONIC FEATURES OF DUST EXPOSURE

- classify any parenchymal or pleural appearance consistent with pneu

moconiosis - do no classify any appearance which

are definitely not pneumoconiosis

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PARENCHYMAL ABNORMALITIES

• SMALL OPACITIES

- - shape round : p, q, r - irregular : s, t, u - - perfusion ( 12 level : 0/ ถึ�ง 3/+ ) - extent ( ข�างละ 3 zones )

• LARGE OPACITIES :O, A, B, C

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PLEURAL ABNORMALI TI ES

• THICKENING

- diaphragm : yes / no - costophrenic angle : yes / no - chest wall : circumscribed

(plaque) / diffuse - profile :

width ,extent - face on :

extent

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PLEURAL ABNORMALITIE S (ll)

• CALCIFICATION

- diaphragm : extent

- wall : extent - other sites :

extent

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0THER ABNORMALITIES

• SYMBOLS

: 0 : ax, bu, ca, cn, co, cp, cv,

di, ef, em, es, fr, hi, ho, id, ih, kl, pi,

px, rp, tb : OD

• OTHER COMMENT

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ปั�จจ�ยที่��มี�ผลตุ�อการอ�านฟิ"ล#มี

• คุ�ณภาพของฟิ"ล#มี- X-ray machine- Film - Technique :- การถึ�าย

ภาพ, การล�างฟิ"ล#มี

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ปั�จจ�ยที่��มี�ผลตุ�อการอ�านฟิ"ล#มี • อ�ปักรณ#การอ�านฟิ"ล#มี

- view box- distance- light- time

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ปั�จจ�ยที่��มี�ผลตุ�อการอ�านฟิ"ล#มี

• ตุ�วผ)�อ�าน

- variation inreader

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ปั�ญหาที่��พบ• ส,าหร�บผ)�อ�านฟิ"ล#มี - ฟิ"ล#มีไมี�ได้�คุ�ณภาพ: ด้,า ขาว ไหว - ขาด้คุวามีร)� คุวามีช่,านาญ - เส��ยงตุ�อการเปั/นพยานที่างกฎหมีาย• ระบบการข�1นที่ะเบ�ยน ตุ2ด้ตุามีกล��มีผ)� สงส�ยเปั/นโรคุ และ กล��มีเส��ยง• ผลการว2น2จฉั�ยไมี�ตุรงก�น

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ข�อเสนอแนะ• คุวรมี�การอบรมีร�งส�แพที่ย# ด้�านการอ�านฟิ"ล#มี ILO• คุวรมี�การอบรมีน�กร�งส�ในพ71นที่�� ด้�านการคุวบคุ�มีคุ�ณภาพของ ฟิ"ล#มี• คุวรมี�การให�ร�งส�แพที่ย#ที่��ผ�านการอบรมี ได้�ร�บการร�บรองข�1นที่ะเบ�ยน เปั/นผ)�อ�านฟิ"ล#มี ILO ของปัระเที่ศ และมี�ข�อก,าหนด้ในการตุ�ออาย�• การว2น2จฉั�ยโรคุปัอด้Pneumoconiosis คุวรผ�านคุณะกรรมีการ ( อาย�รแพที่ย#โรคุปัอด้+ร�งส�แพที่ย#+แพที่ย#อาช่�วเวช่ศาสตุร# )• ระบบการข�1นที่ะเบ�ยน ตุ2ด้ตุามีกล��มีผ)�สงส�ยเปั/นโรคุ และ กล��มีเส��ยง

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