iteration of titles, in which the conspicuous words are curiosa, rara, 
monstruosa, memorabilia, prodigiosa, selecta, exotica, miraculi, lusibus 
naturae, occultis naturae, etc., etc. Even when medical science became 
more strict, it was largely the curious and rare that were thought worthy 
of chronicling, and not the establishment or illustration of the common, 
or of general principles. With all his sovereign sound sense, Ambrose 
Pare has loaded his book with references to impossibly strange, and 
even mythologic cases. 
In our day the taste seems to be insatiable, and hardly any medical 
journal is without its rare or "unique" case, or one noteworthy chiefly 
by reason of its anomalous features. A curious case is invariably 
reported, and the insertion of such a report is generally productive of 
correspondence and discussion with the object of finding a parallel for 
it. 
In view of all this it seems itself a curious fact that there has never been 
any systematic gathering of medical curiosities. It would have been 
most natural that numerous encyclopedias should spring into existence 
in response to such a persistently dominant interest. The forelying
volume appears to be the first thorough attempt to classify and 
epitomize the literature of this nature. It has been our purpose to briefly 
summarize and to arrange in order the records of the most curious, 
bizarre, and abnormal cases that are found in medical literature of all 
ages and all languages--a thaumatographia medica. It will be readily 
seen that such a collection must have a function far beyond the 
satisfaction of mere curiosity, even if that be stigmatized with the word 
"idle." If, as we believe, reference may here be found to all such cases 
in the literature of Medicine (including Anatomy, Physiology, Surgery, 
Obstetrics, etc.) as show the most extreme and exceptional departures 
from the ordinary, it follows that the future clinician and investigator 
must have use for a handbook that decides whether his own strange 
case has already been paralleled or excelled. He will thus be aided in 
determining the truth of his statements and the accuracy of his 
diagnoses. Moreover, to know extremes gives directly some knowledge 
of means, and by implication and inference it frequently does more. 
Remarkable injuries illustrate to what extent tissues and organs may be 
damaged without resultant death, and thus the surgeon is encouraged to 
proceed to his operation with greater confidence and more definite 
knowledge as to the issue. If a mad cow may blindly play the part of a 
successful obstetrician with her horns, certainly a skilled surgeon may 
hazard entering the womb with his knife. If large portions of an 
organ,--the lung, a kidney, parts of the liver, or the brain itself,--may be 
lost by accident, and the patient still live, the physician is taught the 
lesson of nil desperandum, and that if possible to arrest disease of these 
organs before their total destruction, the prognosis and treatment 
thereby acquire new and more hopeful phases. 
Directly or indirectly many similar examples have also clear 
medicolegal bearings or suggestions; in fact, it must be acknowledged 
that much of the importance of medical jurisprudence lies in a thorough 
comprehension of the anomalous and rare cases in Medicine. Expert 
medical testimony has its chief value in showing the possibilities of the 
occurrence of alleged extreme cases, and extraordinary deviations from 
the natural. Every expert witness should be able to maintain his 
argument by a full citation of parallels to any remarkable theory or 
hypothesis advanced by his clients; and it is only by an exhaustive 
knowledge of extremes and anomalies that an authority on medical
jurisprudence can hope to substantiate his testimony beyond question. 
In every poisoning case he is closely questioned as to the largest dose 
of the drug in question that has been taken with impunity, and the 
smallest dose that has killed, and he is expected to have the cases of 
reported idiosyncrasies and tolerance at his immediate command. A 
widow with a child of ten months' gestation may be saved the loss of 
reputation by mention of the authentic cases in which pregnancy has 
exceeded nine months' duration; the proof of the viability of a seven 
months' child may alter the disposition of an estate; the proof of death 
by a blow on the epigastrium without external marks of violence may 
convict a murderer; and so it is with many other cases of a medicolegal 
nature. 
It is noteworthy that in old-time medical literature--sadly and unjustly 
neglected in our rage for the new--should so often be found parallels of 
our most wonderful and peculiar modern cases. We wish, also, to enter 
a mild protest against the modern egotism that would set aside with a 
sneer as myth and fancy the testimonies and reports of philosophers 
and physicians, only because they lived hundreds of years ago. We are    
    
		
	
	
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