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THE MEDICAL
DEPARTMENT OF THE UNITED STATES ARMY IN THE WORLD WAR
VOLUME
XII
PATHOLOGY
OF THE ACUTE RESPIRATORY DISEASES, AND OF GAS GANGRENE FOLLOWING
WAR WOUNDS
PREPARED
UNDER THE DIRECTION OF
MAJ.
GEN. M. W. IRELAND
The Surgeon General
BY
MAJ. GEORGE R. CALLENDER, M. C.
AND
MAJ. JAMES F. COUPAL, M. C
WASHINGTON U. S. GOVERNMENT PRINTING OFFICE 1929
ADDITIONAL
COPIES OF THIS PUBLICATION MAY BE PROCUREDFROM
THE SUPERINTENDENT OF DOCUMENTS
U.S.
GOVERNMENT PRINTING OFFICE
WASHINGTON,
D. C.
AT
$3.69
PERCOPY
LETTER OF TRANSMISSION
I have the honor to submit herewith Volume XII of the history of the
MEDICAL
DEPARTMENT OF THE UNITED STATES ARMY IN THE WORLD WAR. The volume
submitted is
entitled "PATHOLOGY OF THE ACUTE RESPIRATORY DISEASES, AND OF GAS
GANGRENE
FOLLOWING WAR WOUNDS."
M. W. IRELAND,
Major General, the Surgeon General.
The SECRETARY OF WAR.
IV
Lieut.
Col. FRANK W. WEED, M. C., Editor in Chief.
Loy MCAFEE, A. M., M. D., Assistant Editor in Chief.
EDITORIAL BOARD a
Col. BAILEY K. ASHFORD, M. C.
Col. FRANK BILLINGS, M. C.
Col. THOMAS R. BOGGS. M. C.
Col. GEORGE E. BREWER, M. C.
Col. W. P. CHAMBERLAIN, M. C.
Col. C. F. CRAIG, M. C.
Col. HAVEN EMERSON, M. C.
Brig. Gen. JOHN M. T. FINNEY, M. D.
Col. J. H. FORD, M. C.
Lieut. Col. FIELDING H. GARRISON, M. C.
Col. H. L. GILCHRIST, M. C.
Brig. Gen. JEFFERSON R. KEAN, M. D.
Lieut. Col. A. G. LOVE, M. C.
Col. CHARLES LYNCH, M. C.
Col. JAMES F. MCKERNON, M. C.
Col. S. J. MORRIS, M. C.
Col. R. T. OLIVER, D. C.
Col. CHARLES R. REYNOLDS, M. C.
Lieut. Col. G. E. DE SCHWEINITZ, M. C.
Col. J. F. SILER, M. C.
Brig. Gen. W. S. THAYER, M. D.
Col. A. D. TUTTLE, M. C.
Col. WILLIAM H. WELCH, M. C.
Col. E. P. WOLFE, M. C.
Lieut. Col. CASEY A. WOOD, M. C.
Col. HANS ZINSSER, M. C.
___________________________________________________
a The
highest
rank held during the World War has been used in the case of each
officer.
TABLE OF CONTENTS
PREFACE
SECTION
I.-PATHOLOGY OF THE ACUTE RESPIRATORY
DISEASES. By Maj. GEORGE R. CALLENDER, M. C.
CHAPTER I. In camps in
the United States
I.
In camps in the United States, cont.
II.
In the American Expeditionary Forces
III.
Pathological anatomy
III.
Pathological anatomy cont
IV.
Lesions in organs outside the
respiratory tract
V.
Bacteriology
SECTION
II.-PATHOLOGY OF GAS GANGRENE FOLLOWING WAR
WOUNDS. By Maj. JAMES F. COUPAL, M. C.
SECTION II.
PATHOLOGY OF GAS GANGRENE FOLLOWING WAR
WOUNDS. BY Maj. JAMES F. COUPAL, M.C. cont.
APPENDIX
LIST OF CHARTS
CHARTS
I. The incidence
and fatality of
the acute respiratory diseases at Camp Beauregard
II. The
incidence and fatality
of the acute respiratory diseases at Camp Bowie
III. The
incidence and
fatality of the acute respiratory diesases at Camp Cody
IV. The
incidence and fatality
of the acute respiratory diseases at Camp Custer
V. The incidence
and fatality of
the acute respiratory diseases at Camp Devens
VI. The
incidence and fatality
of the acute respiratory diseases at Camp Dix
VII. The
incidence and
fatality of the acute respiratory diseases at Camp Dodge
VIII. The
incidence and
fatality of the acute respiratory diseases at Camp Fremont
IX. The
incidence and fatality
of the acute respiratory diseases at Camp Grant
X. The incidence
and fatality of
the acute respiratory diseases at Camp Lewis
XI. The
incidence and fatality
of the acute respiratory diseases at Camp MacArthur
XII. The
incidence and fatality
of the acute respiratory diseases at Camp Pike
XIII. The
incidence and
fatality of the acute respiratory diseases at Camp Sherman
XIV. The
incidence and
fatality of the acute respiratory diseases at Camp Taylor
LIST OF PLATES
I. Diffuse,
hemorrhagic
pneumonia; Streptococcus hemolyticus infection following influenza
II. Generalized
streptococcus
lymphangitis secondary to confluent, lobular pneumonia following
influenza
III.
Hemorrhagic edema with
beginning leucocytic infiltration
IV. Hemorrhagic
edema, acute
bronchiectasis, beginning purluent consolidation
V. Perivascular
proliferation
VI. Two ruptures
in an atrial
wall
VII.
Peribronchiolar,
hemorrhagic consolidations
VIII.
Organizing pneumonic
process
IX.
Organization of exudate in
influenzal pneumonia
VIII
X. Organization
following
influenzal pneumonia
XI.
Bronchopneumonia. Spreading
or confluent consolidation
XII.
Peribronchial and
perivascular lymphangitis
XIII.
Zenker's degeneration,
rectus abdominis muscle
XIV. Zenker's
degeneration
XV. Debrided
wound of the right
thigh
XVI. Vertical
section of the
amputated thigh
XVII. Gas
gangrene of the
calf muscles
XVIII. Edema
within muscle
envelopes and between muscle bundles
XIX. Cross
section of muscle
taken from an area of toxic edema near the wound tract
XX. Typical
brick-red
discoloration of the calf muscles due to gas gangrene
XXI. Muscle
fibers from an
area of putrefactive gangrene
XXII.
Comminution of bone;
putrefactive infection of the marrow
XXIII.
Showing the typical
color of the bronzing in avirulent gas gangrene
XXIV.
Putrefactive gangrene.
Cross section of leg shown in Plate XXIII
LIST OF FIGURES
1.
Postinfluenzal pneumonia
2. Dilated
small vessel in a lung in the congestive
stage of lobar pneumonia
3. Alveolus in
the early stage of red hepatization
4. Stage of
late red hepatization stained for
reticulum
5. Alveolus of
early gray hepatization
6. Lung in gray
hepatization
7.
Postinfluenzal pneumonia
8.
Postinfluenzal pneumonia
9. Subdural
abscess following suppurative frontal
sinusitis after influenza
10.
Hemorrhagic, necrotic inflammation of the
lining of the trachea
11. Cellular
reaction in a bronchial lymph node in
pneumonia following influenza
12. Pneumonia
following influenza. Diffuse,
hemorrhagic inflammation of the lungs
13.
Postinfluenzal pneumonia
14. Early
changes in bronchiolar epithelium
15.
Degeneration of bronchial mucosa
16.
Gram-negative bacilli along bronchiolar
epithelium
17. Wall of
bronchiole. Epithelium being raised
and separated by serous exudate beneath
18. Lobular
pneumonia
19. Lobular
pneumonia
20. Minute
Gram-negative bacteria in bronchiolar
mucosa
21. Minute
Gram-negative bacteria, free and in
phagocytes
22. Ductus
alveolaris showing streptococci and
minute Gram-negative bacteria
23. Minute
Gram-negative bacteria and streptococci in
the exudate along the epithelium of the beginning of a ductus
alveolaris
24.
Gram-negative bacteria and a few streptococci
along the wall of a ductus alveolaris
25. Bronchiole
infiltrated with leucocytes,
Gram-negative bacteria and streptococci
26.
Seropurulent exudate in a bronchiole
27.
Longitudinal section of a bronchiole containing
purulent exudate
28. Bronchiole
showing purulent inflammation
29. Bronchiole
showing purulent exudate
30. Serous
exudate in a ductus alveolaris
31 Cross
section of an atrium containing air
and hemorrhagic exudate
IX
32. Early
exudate in a diffuse inflammation of the
lungs
33. Early
exudate in a confluent, lobular pneumonia
34.
Proliferated adventitia
35. Early
hemorrhagic lesion
36. Degenerated
wall of atrium
37.
Peribronchiolar consolidation, surrounded by
zones of hemorrhage
38.
Gram-negative bacillary forms in the alveolar
wall
39. Minute
Gram-negative bacteria in the alveoli
40. Minute
Gram-negative bacteria in alveolar wall
41.
Peribronchiolar lesions in pneumonia following
influenza
42. Pneumonia
following influenza
43. A
bronchiole showing absence of columnar cells
at either side
44. Ductus
alveolaris surrounded by purulent
exudate
45.
Peribronchiolar pneumonia
46.
Consolidation about a ductus alveolaris
47.
Infiltration of alveolar wall by mononuclear
leucocytes
48. Section of
the trachea showing complete loss of
the columnar cells
49. Section of
trachea showing practically complete
loss of columnar cells, with marked proliferation of the basal layer
50. Bronchus
showing purulent exudate and air in the
lumen
51.
Proliferation of alveolar epithelium
52.
Proliferation of basal layer appearing as a
stratified, squamous type of epithelium
53. Alveoli and
atria filled with masses of
epithelium
54. Exudate in
an atrium in an early stage of the
process of organization
55. Types of
cells in organization
56. Early stage
of organization of exudate in an
alveolus
57. Early stage
of organization of the exudate in a
pulmonary atrium
58. Early
organization of the exudate in a pulmonary
atrium
59.
Organization of exudate in influenzal pneumonia
60.
Organization following influenzal pneumonia
61.
Organization complete in an alveolus
62. Collagenous
fibers extending to the group of
mononuclear cells
63. Practically
complete organization of a group of
alveoli
64. Newly
formed capillaries about a small blood
vessel
65. Increase in
the number of capillaries in
alveolar walls
66. Alveolar
walls showing new formation of
connective tissue
67.
Organization extending from an ulcerated area
in a bronchiole
68. Granulation
tissue in the wall of a bronchiole
69. New fibrous
tissue encroaching on the lumen of
a bronchiole
70. Late stage
of interstitial reaction about
bronchioles
71. Purulent
bronchiolitis with bronchiectasis
following influenza
72. Purulent
bronchitis with marked dilatation and
bronchiectasis
73. Acute, ulcerative bronchitis and bronchiectasis
74.
Bronchiectasis
75. Pneumonic
consolidation spreading out about the
bronchi
76.
Experimental bronchopneumonia in a monkey
77.
Experimental bronchopneumonia in a monkey
78. Acute
bronchitis
79. Bronchus
showing an acute inflammatory reaction
80. Purulent
bronchiolitis with ulceration
81. Purulent
bronchitis
82. Purulent
bronchitis and bronchiectasis
83. Bronchitis
and bronchiectasis
84. Bronchiole
involved in an inflammatory reaction
85.
Postinfluenzal pneumonia
86.
Bronchopneumonia spreading out about bronchi
and blood vessels
X
87. Wall of
bronchiole containing numerous
pneumococcus forms
88. Alveolar
walls containing numerous pneumococcus
forms
89. Walls of
alveoli and exudate containing
pneumococcus forms
90. Early stage
of reaction in the alveoli
91. Section of
wall of the main bronchus showing
desquamation of epithelium
92. Section of
wall of bronchus showing the lumen
of a duct plugged with serofibrinous exudate
93. Section of
wall of bronchus showing fibrinous
exudate
94. Blood
vessels and alveoli in a case of
pneumococcus Type II infection
95.
Peribronchiolar consolidations
96.
Postinfluenzal pneumonia
97.
Postinfluenzal pneumonia
98. Lobular,
pneumonic consolidation
99. Pneumonia
following influenza
100.
Postinfluenzal pneumonia
101. Lobular
pneumonia
102. Section
of a bronchial wall in a
streptococcus bronchitis
103. Wall of
main bronchus in a case of
streptococcus bronchitis and bronchopneumonia
104. Bronchus
showing the extension of
inflammation between the cartilages
105. Bronchus
containing serous exudate
106.
Streptococci in lymph spaces
107.
Streptococcus forms beneath the bronchial
mucosa
108.
Serofibrinous exudate in an early stage of a
lobular pneumonia caused by hemolytic streptococci
109. Early
stage of consolidation in a lobular
pneumonia
110. Purulent
exudate in a lobular pneumonia
111. Early
stage of streptococcus, lobular
pneumonia
112. Hyaline
membrane in a group of atria and
alveoli
113.
Hemorrhagic inflammation of alveolar walls
114.
Confluent, lobular pneumonia
115. Alveolus
with serious exudate containing
streptococci
116.
Streptococci in lymph spaces in alveolar
walls
117.
Postinfluenzal pneumonia
118.
Postinfluenzal pneumonia
119.
Postinfluenzal pneumonia
120.
Confluent, lobular pneumonia
121.
Confluent, lobular pneumonia with central
necrosis
122.
Confluent, lobular pneumonia with extensive
central necrosis
123. Necrotic
confluent lobar pneumonia
124.
Streptococcus, lobular pneumonia showing
beginning abscess formation
125. Abscess
formation in the center of a lobule
of streptococcus, lobular pneumonia
126. Lobule
going on to abscess formation
127. Pneumonia
due to hemolytic streptococci,
showing abscess formation
128. New
capillaries in granulation tissue
projecting into an abscess caused by streptococci
129. Purulent
bronchitis
130. Exudate
in a bronchiole
131. Bronchus
showing almost complete desquamation
of columnar cells and proliferation of the basal layer
132. Small
bronchus showing proliferation of basal
layers
133. Lungs,
heart, pericardium, pleura and mediastinal
tissues of a case of empyema, pericarditis and mediastinitis
134. Bronchus
in an area of lobular pneumonia from
which Streptococcus hemolyticus was cultivated
135. Oblique
section of a bronchus in an area of
lobular pneumonia
XI
136. Oblique
section of a bronchus (next to that
shown in Figure 134), showing increases in vessels in submucosa
137.
Peribronchial lymphangitis
138.
Perivascular lymphangitis about a small
pulmonary vein
139.
Interlobular lymphangitis in a lobular
pneumonia due to hemolytic streptococci
140.
Lymphatics of an interlobular septum filled
with fibrinopurulent exudate
141.
Streptococcus hemolyticus pneumonia
142.
Phlegmonous inflammation of interlobular
septa
143. Purulent
lymphangitis in an interlobular
septum
144.
Fibrinopurulent pleuritis with subpleural
lymphangitis
145. Abscesses
in interlobular septa arising in
thrombosed lymphatics
146.
Interlobar empyema
147. Pneumonia
following measles
148. Pneumonia
following influenza complicated by
empyema
149. Purulent
phlebitis of a pulmonary vein
150. Dilated
capillary in the mediastinal tissues
151. Pneumonia
following measles with fibrinopurulent
pleuritis
152. Late
streptococcus lymphangitis following
influenzal, lobular pneumonia
153.
Organization in an interlobular septum
154. Advanced
fibrosis in an interlobular septum
155.
Organizing process in interlobular septa
156.
Staphylococcus pneumonia. Abscesses arising
in the bronchioles
157.
Staphylococcus pneumonia. Multiple abscesses
in bronchi
158. Multiple
abscesses arising in bronchi, due to
staphylococcus
159.
Confluent, lobular pneumonia with groups of
staphylococcus abscesses
160. Purulent
staphylococcus bronchiolitis
161. Purulent
staphylococcus bronchiolitis
162. Zenker's
degeneration of rectus abdominis
muscle in a case of influenza and pneumonia
163. Zenker's
degeneration in the rectus abdominis
muscle in a case of pneumonia following influenza
164. Zenker's
degeneration in the rectus abdominis
muscle
165. Zenker's
degeneration in the rectus abdominis
muscle
166.
Hemorrhagic adrenalitis
167.
Hemorrhagic adrenalitis
168. Rupture
of the long saphenous vein, probably
produced by shell fragment, through hydraulic transmission of its force
169. Vein
filled with large bacteria of
putrefactive type
170. Vertical
midsection through the thigh
171. Section
of gangrenous muscle
172. A gaseous
area in muscle
173.
Gangrenous area in muscle
174.
Gram-positive round-ended rods between muscle
fibers
175. Cross
section of a nerve which shows a spiral
rupture
176. Medium
sized vein which shows numerous
Gram-positive rods in the muscularis and in the lymphatics
177.
Longitudinal section of a muscle near the
debrided wound
178. Spiral
rupture of muscle caused by gases
within the muscle fascia
179.
Accumulations of gas between muscle bundles
and within muscle fibers
180.
Connective tissue and fat which shows gas and
edema and digestion of fat cells
181. Left knee
with a debrided wound
182.
Midsection of the knee in Figure 181, showing
gas formation
183. Medium
sized artery with marked shredding of
the adventitia and hemorrhage into the subcutaneous tissues
184. Medium
sized vein and artery, branches of the
vessels shown in Figure 183
XII
185. Area of
advanced emphysematous gangrene
186. Muscle
fibers with two-thirds of their
diameter occupied by gas bubbles
187. Gas
infiltration of one muscle fiber
188. Gas
gangrene change in muscle infiltrated
with large coccobacilli
189. Thigh
amputated at the level of a fracture in
the middle third of the femur
190. Vertical
section of the limb in Figure 189,
showing putrefactive gangrene
191.
Midsection of the amputated limb shown in
Figure 189, with accumulation of large gas bubbles
192. X ray of
limb showing gas bubbles
193. Section
from the gangrenous area
194. Section
from the emphysematous area
195. Section
from the putrefactive, gangrenous
process
196. Anterior
surface of the right thigh with a
debrided. high-explosive wound, and midsection of the limb
197. X ray of
the thigh showing gas in the muscle
198. Two
muscles, one of which shows rupture of
fibers in gas gangrene
199. Area of
advanced emphysematous gangrene
200.
Gangrenous area close to the wound tract
201. Muscle
fiber with numerous fine bubbles
202. Two
isolated muscle fibers which have been
split by gas
203. Area of
comparatively pure emphysematous
gangrene
204. Cross
section of the leg showing surgical
free dissection of muscles
205. Muscles
invaded by gas
206.
Infiltration of muscle fibers by gas
207. Section
from the gangrenous muscles
208.
Ground-glass appearance of muscle fibers
209. Muscle
fibers in the putrefactive gangrenous
process
210. Left arm
with a debrided bullet wound
211. Large gas
bubble between fibers of an
isolated muscle bundle
212. Section
of muscle in an area of gas gangrene
213. Section
from the brachial nerve showing edema
and gas and numerous roundended Gram-positive rods between fibers
214. Section
of fascia and fat from the area of
putrefactive gangrene over the biceps muscle
215. High
explosive shell wound caused by contact
explosion
216. Opposite
side of thigh shown in Figure 215
217. Fractured
tibia and fibula and gas gangrene
of the calf muscles
218. Shredding
and thrombosis of the popliteal
vessels with beginning putrefactive gas gangrene
219.
Putrefactive change in the clot around the
upper end of the fractured tibia
220.
Destruction of muscle fibers and surrounding
fascias
221. Bubbles
of gas within the fibers and small collections
of gas around them
222. Deeper
portion of the wound which contained
bacteria
223. Gas
within a ruptured muscle fiber
224. Variation
in the wavy muscle fibers retain
the basic dye
225.
Separation of myomeres
226.
Putrefactive infection of superficial
hemorrhages of right thigh following several small wounds due to
high-explosive
shell fragments
227. Debrided,
high-explosive wound with
projecting muscle masses
228.
Putrefactive infection around the wound tract
229. High
explosive wound of the middle of the
biceps
230. Section
of the wound showing fragments of
bone, dirt, and foreign bodies
231. Rupture
of a muscle fiber
232. Splitting
of fibers due to direct trauma
233. Muscle
fiber completely honeycombed with fine
bubbles
234. End of a
muscle fiber showing large
rod-shaped organism with an end spore
XIII
235. Area of
hemorrhage around the wound tract
236. Debrided
wound below the external malleolus
and putrefactive gangrene
237.
Putrefactive gangrene of the os calcis
238. Gas
bubbles within muscle fibers
239.
Emphysematous gangrene in the interosseus
muscles
240. Swollen
muscle fibers showing gas and a
marked variation in their staining reaction
241. Section
nearer the wound tract
242. Section
through putrefactive gangrenous area
243. Vertical
section of left leg injured by
high-explosive shell fragments
244. Wound
tract with a surrounding putrefactive
gangrene
245. X ray
showing numerous foreign bodies and
emphysematous gangrene
246. Section
from the gangrenous, emphysematous
gastrocnemius
247.
Accumulation of gas between muscle bundles
248.
Putrefactive gangrenous process
249. A
lymphatic distended with gas and lined by
masses of bacteria
250. Chemical
changes of the muscle fibers as
indicated by retention of the basic dye
251.
Thrombosis of the femoral artery and vein and
gas gangrene of muscle
252. Secondary
infection of the bone marrow,
extensive gas gangrene
253. Shredding
of the adventitia of artery, with
gas gangrene of the muscular coat
254. Muscle
fibers from the putrefactive area
255. Large gas
bubbles in muscle bundles
256. Debrided
wound of arm
257. Injury to
the musculospiral nerve
258. Beginning
putrefactive gangrene around the
humerus
259. Edematous
muscle around the fractured humerus
260. Edema
along the fascial planes
261. Edema of
muscle fibers and muscle bundles and
gas within muscle fibers
262. Edema
within muscle envelops and between
muscle bundles
263. Edema,
swelling and loss of markings in
muscle fibers
264. Biceps
muscle which shows reaction of the
muscle fibers to the basic dye
265. Early
regeneration of muscle fibers
266.
Emphysematous gangrene around the fracture of
the humerus
267 Gangrene
due to failure of the blood supply
268. Cross
section of the forearm showing
emphysematous gangrene
269. X ray
showing accumulations of gas around the
fracture
270. Loss of
normal markings of muscle fibers;
accumulation of gas and hemoglobin detritus
271.
Leucocytic exudate in the debrided wound
272. Intense
basic staining of parts of muscle
fibers
273. Debrided
high-explosive shell wound of thigh.
Toxic, edematous gangrene
274. Gas
gangrene of muscles, and edema
275. X ray
showing gas gangrene, comminution of
the fracture and a piece of high-explosive shell
276. Muscles
of the calf above the fragment
showing gas gangrene
277.
Comminuted fracture of tibia with mixed
putrefactive and edematous gangrene
278. A
fragment of bone surrounded by putrefactive
gangrene
279. Shredding
of the coats of a medium-sized vein
280. Muscle
fibers from the gaseous area of
gangrene
281. Muscle
fibers in the putrefactive area of
grangrene
282. Muscle
fibers from an area of putrefactive
change in gas gangrene
283. Muscle
fibers from a contaminated area near
the wound tract
284. Popliteal
and thigh muscles affected by a
putrefactive gangrene
285. X ray of
the leg showing gas bubbles in the
muscles
286. Muscle
fibers from the putrefactive area
287. Section
from the gaseous area of the calf
muscle showing foreign bodies
XIV
288. Left leg
with high-explosive wound
289. Debrided
wound exposing fractured ends of the
tibia and fibula
290. Clot in
the marrow of the tibia undergoing a
putrefactive process
291. X ray
showing fracture of both bones, and
foreign bodies
292. Section
from the putrefactive area around the
larger blood vessels, showing missile tract which scores the margin of
the
posterior tibial artery
293. Missile
tract showing a tear through the
adventitia and media of the artery
294. Beginning
chemical change in the muscle fiber
295. External
surface of an amputated left thigh
showing machine gun bullet wound
296.
Putrefactive change along the wound tract
297. Muscle
from the putrefactive area
298.
Liquefaction of muscle fiber
299.
Gram-positive bacilli between muscle fibers
from an area of putrefactive gangrene
300. Cross
section of a small nerve showing
accumulation of gas
301. Rupture
of muscle fibers, in close relation
to the wound tract, probably caused by the trauma of the missile
302. Muscle
fiber separated by gas and exudate
303. Necrotic
muscle fibers in the gaseous area
304. A cross
section of a medium-sized artery
showing marked shredding and swelling of the adventitia
305. Clot in
tissue near the vessel shown in
Figure 304
306. Field of
hemorrhage in the gangrenous area
307. A small
vessel in the putrefactive area
308. Showing
four cross sections of leg shown in
Plate XXI
309. An area
of putrefactive gangrene of the
muscles with beginning gas gangrene
310. Field
from the putrefactive gangreneous area
with a beginning gaseous process
311. A typical
picture in putrefactive gangrene
312.
Putrefactive gangrene of muscle with
considerable gaseous change
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