PMC9873356_01
Preoperative imaging data and foreign body. (A) US shows the bladder foreign body (see arrow). (B) CT of the pelvis shows the crooked foreign body in the bladder (see arrow). (C) Three-dimensional reconstruction CT shows the lumpy foreign body in the bladder (red mark). (D) Foreign body is a skipping rope about 50 cm long.
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F1
Ultrasound (US) examination identified enhanced echoes in the bladder (Figure 1A). A pelvic computed tomography (CT) scan displayed an extremely hyperdense lesion in the bladder (Figure 1B). Amira software emphasized that an intravesical FB could be considered (Figure 1C). An attempt was made to insert a cystoscope to remove the rope under general anesthesia, but it failed due to the smooth surface of the FB. Afterward, cystotomy was performed, and the FB was removed (Figure 1D).
Preoperative imaging data and foreign body. (A) Plain film x-ray shows the urethral foreign body (see arrow). (B) CT of the pelvis shows the straight foreign body in the urethra (see arrow). (C) Three-dimensional reconstruction CT shows the straight foreign body in the urethra (red mark). (D) Foreign body is an acne needle about 10 cm long.
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F2
A 9-year-old boy presented to the emergency department complaining about urethral pain 10 h prior. A vertical x-ray film of the abdomen demonstrated a needle-like FB (Figure 2A). CT of the lower abdomen demonstrated a strip and dense shadow in the cavernous region of the urethra (Figure 2B). Three-dimensional reconstructed images via Amira software emphasized that a urethral FB could be considered (Figure 2C). Mosquito forceps were inserted into the urethra to clamp the proximal end of the FB, and a metal needle (about 10 cm in length) was successfully removed from the urethra (Figure 2D).
Preoperative imaging data and foreign body. (A) Plain film x-ray shows multiple small spherical foreign bodies in the bladder (see arrow). (B) CT of the pelvis shows the massive foreign body in the bladder (see arrow). (C) Three-dimensional reconstruction CT shows the stripe foreign body in the bladder (red mark). (D) Foreign bodies are multiple magnetic beads (partly).
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F3
A 11-year-old boy presented to the emergency department complaining of lower abdominal pain 1 day ago. A vertical x-ray film of the abdomen showed a strip-shaped image of FBs (Figure 3A). CT of the lower abdomen showed irregular hyperdense shadow in the bladder (Figure 3B). Amira software emphasized that intravesical FBs could be considered (Figure 3C). An attempt was made to insert a cystoscope to remove the FBs under general anesthesia but failed because the grasp forceps were attracted by the magnetic FBs. Then, a cystotomy was performed, and the FBs were removed (Figure 3D).
Preoperative imaging data and foreign body. (A) Plain film x-ray shows the urethral foreign body (see arrow). (B) Foreign body is a hairpin about 6 cm long.
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F4
Case 4: A 13-year-old boy presented to the emergency department complaining of inserting the hairpin into the urethra 3 h ago without any symptoms.A vertical x-ray film of the abdomen showed a hairpin-shaped image of FB (Figure 4A). The FB was a 6 cm hair clip (Figure 4B).