Document 7RveqmG15xJ5e4oo9rzV5ypJa

Ha r o l d G. Re in e k e , M. D. CINCINNATI. OHIO A pril 25, 1956. Dr. R o b e r t _i. L e h o e , D i r e c t o r , le tte rin g Laboratory of Applied Physiology, College of medicine, C incinnati, Ohio. . Dear doctor iiehoa:~ I have very c a r e f u l l y s tu d ie d the twentyseven s e t s o f s t e r e o s c o p i c ch est film s w hich you su b m itted f o r ror coins i e r s t i o n . In a g e n e ra l way, th e r e seems to ne no th in g d e f i n i t e in any one o f the c a s e s as r e g a r d s an o c c u p a tio n a l d is e a s e . It has been i n t e r e s t i n g to note th a t a l a r g e p e r c e n t a g e o f t h e s e men have many v e r y s m a l l p u n c t a t e c a lc ific a tio n s in the m esial lung f ie ld s . These minute l e s i o n s a r e more n u m ero u s i n t n i s . g r o u p o f men t h a n one o rd in a r ily sees in a s im ila r number of a d u lt chest film s, Aov/ever, t h e r e s e i n g a s m a l l g_ r o u p who h a v e none o f t h e s e c a l c i f i c a t i o n s to speak o f , one must wonder w h e th er or not t h i s f i n d i n g i s o f s i g n i f i c a n c e . 1 do no s e e how one can be s u r e o f t h i s u n t i l a c o n s i d e r a b l e time i n t e r v a l has e l a p s e d ana a n o t h e r s e r i e s of f i l m s made on to e same gro u p o f men.. The g r o u p who a r e n o t a b l y f r e e f r o m t h e s e s m a l l lesions an d _ ____________ ___________________ se c a lc ific a tio n s are * ~ne r e s t have th e s e d e p o s i t s in such numbers- as to be n o t i c e a b l e when one s tu d ie s the group as a whole although in none of these f i l m s i s th e f i n d i n g v e r y p ro n o u n ced o r t h o u g h t to be o f any p a r t i c u l a r moment. Old t uberculous le s io n s are seen in the chest of and la tte r also has very d e f i n i t e emphysema. has very heavy v erteb ral t r u n k s b i l a t e r a l l y 'wl t h ^ a l u m f f i ^ j a t i o n s a l o n g t h e i r c o u r s e . These f in d in g s su g g e st an old minimal tu b e r c u lo s is which is now a p p a r e n t l y w e l l h e a l e d . . As a g e n e r a l r u l e i n a l l o f t h e s e c h e s t s , t h e hilum m a rk in g s a re i n c r e a s e d i n number mid d e n s i t y and there is also ra th e r c o n siste n t increase-- in the broncho- vascular markings in the c e n tra l dependent lung f ie ld s . That c o n n e c t i o n t h i s may h a v e w i t h t h e w o r k o f t h e s e men i s q u e s t i o n a b l e , s i n c e t h e same fin d in g s - a r e p r e s e n t i n persons with nasal accessory sinus disease as well as in Ha r o l d G. Re in e k e , M. D, CINCINNATI. OHIO page two . Dr. Xehoe. v e rs o n s ,.'reotiling sm oke-laden arid a u st-la d e n a i r over long oeriods of ti e . I do not b e l i e v e th at t h e r e i s e v id e n c e o f b r o n c h i e c t a s is in any o f th e s e men. The e n t i r e g r o u p o f men i s s i n g u l a r l y f r e e from p i o n m l th ic k e n in g , only two or th r e e p r e s e n tin g even s lig h t tk ic lo n in g of an in te r lo b a r septum. The r e s o r t s o f and burst /hi ch accoranany th e f ilm s have rend in c o n n e c t i o n with t h e p e r u s a l o f e a c h s e t o f f i l m s . T h i l e we may d i f f e r i n o u r view s on some o f t h e l e s s e r d e t a i l s i n some o f mm so c a s e s , I c o n c u r i n t h e i r c o n c l u s i o n s which e r e t h a t n o t h i n g h a s been found which c a n ho- a t t r i b u t e d t o tne i n d u s t r i a l f a c t o r s in v o lv e d . The sm a ll' p u n c ta te calcium d e p o s i t s w i l l nave to be watched co fo re any ihioortan.ee can be a t t a c h e d to them.