A manual of syphilis and the venereal diseases, . Fig. 32.—Annular stricture (Dittel). obliquely or transversely, or so situated as to form flapsand valves. These finer bands, flaps, and valves are oftenthe result of faulty instrumentation of the urethra. According to the amount of contraction present, stric-tures are usually divided into strictures of small calibre,which will only permit the passage of an instrumentsmaller than No. 15 (French), and strictures of large cali-bre, which will allow the passage of larger instruments. ORGANIC STRICTURE OF THE URETHRA. 509 The division is an arbitra
A manual of syphilis and the venereal diseases, . Fig. 32.—Annular stricture (Dittel). obliquely or transversely, or so situated as to form flapsand valves. These finer bands, flaps, and valves are oftenthe result of faulty instrumentation of the urethra. According to the amount of contraction present, stric-tures are usually divided into strictures of small calibre,which will only permit the passage of an instrumentsmaller than No. 15 (French), and strictures of large cali-bre, which will allow the passage of larger instruments. ORGANIC STRICTURE OF THE URETHRA. 509 The division is an arbitrary one, but it is of practicalvalue, since, as a rule, soft (flexible) instruments are tobe preferred for all sizes below No. 15. The calibre ofa stricture may become so narrowed that it will admit a. Fig. 33.—Tortuous stricture, showing dilated follicles, lacunae, and false passages (Dittel). fine probe with difficulty, but complete occlusion of thecanal occurs only after traumatism or after some otheroutlet for the urine has been provided, as in the forma-tion of fistulse. According to their behavior with instruments, stric-tures are called simple, when readily dilatable, irritable,when they are very sensitive and easily inflamed, orresilient, when they are elastic and after being dilatedcontract rapidly to their former, or even to a smaller,calibre. Number of Strictures.—Strictures usually occursingly, but a urethra may contain several has never seen more than four in a single 510 SYPHILIS AND THE VENEREAL DISEASES. urethra. Other observers have reported larger num-bers. When a number of strictures are found in a singleurethra, careful examination will usually determine themto be irregular contractions of one stricture. Multiple strictures of large calibr
Size: 1354px × 1846px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubject, booksubjectsyphilis
