The patient, male aged 18. Years, came to the Institute complaining of the tumour in the abdomane and a dull, slight pain occaisioned on the urin discharge. He stated that there was no evident cause for this disorder, and that there was a stiff egg-sized tumour in the lower abdomane and felt a dull pain caused whenever he discharged urine from a month past. This tumour grew bigger and bigger day by day and attaied to the size of a goos-egg in a month. This swells up when the bladder is filled shrinks when the urin is discharged. He was admitted at once to the ward under the diagnosis the maladie might have been the rechustumour.
Upon the examination a tumour about the size of goos-egg, as the patient stated, was found in the middle of the lower abdomane; it was hidden partly in the cavity of pelvis, so that whereabout of the lowest end could not found: but the uppermost end was located on the spot about 4cm. far from the upper edge of the symphysis pubis; the shape war nearly of oval; the surface smooth and stiff like cartilago. These seemed somewhat resembled to the myom of uterus. The cystoskopic examination showed nothing abnormal except that the top was somehow raised up with the congrested mucous membrance. A finger's pressure on the abdominal wall plainly elicited the jostling and removing of the part, and suggested the close connection with the bladder wall. The “Pneumoradiographie” was used to see precisely the position and the size; but the indistinct image failed to bring to light the obscurity. The rectal examination also showed no change in the prostate gland; but on the tip of finger that had been inserted deeply felt instanteniously, as it was very slight, the tumourial resistance in response to the heavy pressure upon the abdominal wall. The urin was almost normal. The Wassermann's reaktion was also negative.
Taking into consideration all the above mentioned symptomes, we arrived at last to the diagnostic conclusion that the tumour would have been grown in the cavity of rechus, and the complete extraction of it should be necessary.
Consequently, the operation was carried on, and the tumour taken out was so large as a man's fist, so heavy as it weighted 200 grams. The surface was flat smooth and strained, in the colour of a rich scarlet, as if it were a riped apple, The touch was rather hand similar that of a cartilago, and never yielding in even with a finger's pressure. The tumour appeared, in front that is to say, from a part close to the abdominal wall, to have left no trace of adhersion; but the back was entirely enveloped with the peritoneum, and the linnings which separated the two surfaces, the fore part and the rear, were intermixedly crossed together with the capillary blood-vessel, fatty tissue, and the netz etc., and were contracted more or less in the base, where the tumour had been grownd; while the small portion of the bladder wall and the mucous membrance were connected to a part of the base of tumour.
Cutting the said tumour into two parts, we saw in the greater part of the faces a hoary-ash colour and also such lustre and hardiness as of the cartilago. we witnessed, too, in the various sections the whitish fibre tissues so complicated and intermingled, running lengthwise and crosswise, in the most confused manner.
With a view to ascertin the diagnosis, we prepared a slice from the said tumour and coloured it by the Hämatoxtlineosin and Van-gieson's method, and carried on the microskopic examination. The result obtained was that very tumour had been a fibricus productve in the tissues of the bladder wall.

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