Notes

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Multiple intraoral dermoid cysts of large magnitude generally appear in the second or third decade of life. They are rare in infants and are usually solitary. In this case, a large mass was identified
during prenatal exams.

We introduce a rare case on multiple dermoid cysts in the floor of the mouth of an infant who underwent two surgeries for this. Preoperative magnetic resonance imaging confirmed a large well-circumscribed cystic lesion that originated at the former midline region in the floor of the mouth in which a suspicious lesion of minute size was likely compressed by the bulkier mass and overlooked. Therefore, the infant underwent two surgeries by an intraoral approach within 9 mo. At 5 mo after the second operation, a routine follow-up ultrasound showed evidence of an additional cyst. No further surgery was planned because the tumor had no immediate effect.

This report demonstrates the importance of carefully analyzing preoperative imaging to avoid multiple operations for a seemingly isolated oral cyst.
This report demonstrates the importance of carefully analyzing preoperative imaging to avoid multiple operations for a seemingly isolated oral cyst.
Pulmonary sarcomatoid carcinoma (PSC), a rare subtype of non-small cell lung cancer (NSCLC), is poorly differentiated and highly aggressive. Treatment is limited, and the prognosis is poor. Pembrolizumab is an anti-programmed death (PD)-1 antibody with good efficacy in NSCLC. Recent studies have demonstrated that PD-ligand 1 (PD-L1) overexpression is common in PSCs, which suggests that anti-PD-L1 treatment is an ideal option. However, the response to pembrolizumab in PSC has not been studied.

We present a PSC case with PD-L1 overexpression that significantly benefited from pembrolizumab. A 73-year-old Chinese male was detected with a right lung lesion. Pathological analysis of the right upper lobectomy confirmed PSC. The PD-L1 test revealed overexpression (TPS 90%). Multiple metastases occurred 1 mo after surgery, representing stage IV PSC. Neither first-line chemotherapy nor second-line antiangiogenic agents showed any benefit. Radiotherapy (1200 cGy) was administered to relieve chest wall pain. The patient received the PD-1 inhibitor pembrolizumab (100 mg) as third-line therapy; however, because of fever and severe infection, he refused to receive immunotherapy any longer. MS-L6 datasheet Thus, only one dose of pembrolizumab was administered. Deep sustained remission of most of the metastases was achieved except for lesions in the right adrenal gland, which first shrank and then progressed. The patient died because of disease progression in the right adrenal gland. He achieved a progression-free survival time of 8 mo and an overall survival time of 9 mo with third-line pembrolizumab.

Our findings highlight and offer direct evidence of the efficacy of pembrolizumab in PD-L1-overexpressing PSCs. Combined radiotherapy and immunotherapy may enhance treatment efficacy.
Our findings highlight and offer direct evidence of the efficacy of pembrolizumab in PD-L1-overexpressing PSCs. Combined radiotherapy and immunotherapy may enhance treatment efficacy.
Patients undergoing liver transplantation can develop posterior reversible encephalopathy syndrome (PRES) and acute heart failure (HF) in the post-operative period. But PRES with HF caused by tacrolimus has rarely been described.

A 40-year-old female patient who had a normal preoperative cardiac and neural evaluation developed PRES with acute heart failure tacrolimus-induced after liver transplantation. The challenges associated with both diagnosis and management in the setting of a newly implanted graft are discussed.

Tacrolimus can induce neurotoxicity and then cardiac toxicity. Magnetic resonance imaging, echocardiography, and increased brain natriuretic peptide may be predictive of post-operative PRES with acute heart failure. Further investigations are necessary to verify this finding.
Tacrolimus can induce neurotoxicity and then cardiac toxicity. Magnetic resonance imaging, echocardiography, and increased brain natriuretic peptide may be predictive of post-operative PRES with acute heart failure. Further investigations are necessary to verify this finding.
Vascular injury is a rare complication of femoral shaft fractures, and rupture of the deep femoral artery is more difficult to diagnose because of its anatomical location and symptoms. Despite its low incidence, deep femoral artery rupture can lead to life-threatening outcomes, such as compartment syndrome, making early identification and diagnosis critical.

A 45-year-old male patient was admitted to our hospital due to right lower limb trauma in a car accident, with complaints of severe pain and swelling on his right thigh. X-ray demonstrated a right femoral shaft fracture. During preparation for emergency surgery, his blood pressure and blood oxygen saturation dropped, and sensorimotor function was lost. Computed tomography angiography was performed immediately to confirm the diagnosis of rupture of the deep femoral artery and compartment syndrome, so fasciotomy and vacuum-assisted closure were performed. Rhabdomyolysis took place after the operation and the patient was treated with appropriate electrolyte correction and diuretic therapy. Twenty days after the fasciotomy, treatment with the Hoffman Type II External Fixation System was planned, but it was unable to be immobilized internally based on a new esophageal cancer diagnosis. We kept the external fixation for 1 year, and 3 years of follow-up showed improvement of the patient's overall conditions and muscle strength.

For patients with thigh swelling, pain, anemia, and unstable vital signs, anterior femoral artery injury should be highly suspected. Once diagnosed, surgical treatment should be performed immediately and complications of artery rupture must be suspected and addressed in time.
For patients with thigh swelling, pain, anemia, and unstable vital signs, anterior femoral artery injury should be highly suspected. Once diagnosed, surgical treatment should be performed immediately and complications of artery rupture must be suspected and addressed in time.
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