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Τρίτη 2 Φεβρουαρίου 2021

Cholecystoduodenal fistula presenting with upper gastrointestinal bleeding: A case report.

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Cholecystoduodenal fistula presenting with upper gastrointestinal bleeding: A case report.

World J Clin Cases. 2021 Jan 16;9(2):410-415

Authors: Park JM, Kang CD, Kim JH, Lee SH, Nam SJ, Park SC, Lee SJ, Lee S

Abstract
BACKGROUND: Cholecystoduodenal fistula is a rare complication of cholelithiasis. Symptoms are usually non-specific and often indistinguishable from those of etiologic diseases, but it rarely presents as severe gastrointestinal bleeding. Bleeding associated with cholecystoduodenal fistula usually requires surgery because significant bleeding from the cystic artery is unlikely to be resolved by conservative management or endoscopic hemostasis.
CASE SUMMARY: We report a case of cholecystoduodenal fistula that presented with hematemesis which was diagnosed by endoscopy and computed tomography. Endoscopic hemostasis could not be achieved, but surgical treatment was successful. Additionally, we have presented a literature review.
CONCLUSION: Cholecystoduodenal fistula should be considered as differential diagnosis when a patient with history of gallstone disease presents with gastrointestinal bleeding.

PMID: 33521109 [PubMed]

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Rare case of fecal impaction caused by a fecalith originating in a large colonic diverticulum: A case report.

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Rare case of fecal impaction caused by a fecalith originating in a large colonic diverticulum: A case report.

World J Clin Cases. 2021 Jan 16;9(2):416-421

Authors: Tanabe H, Tanaka K, Goto M, Sato T, Sato K, Fujiya M, Okumura T

Abstract
BACKGROUND: Fecal impaction is defined as a large mass of compacted feces in the colon and has the potential to induce a serious medical condition in elderly individuals. Fecal impaction is generally preventable, and early recognition of the typical radiological findings is important for making an early diagnosis. The factors that lead to fecal impaction are usually similar to those causing constipation. Few cases with fecal impaction associated with a diverticulum have been reported.
CASE SUMMARY: We present the case of a 62-year-old woman who suffered from abdominal pain and vomiting, had a medical history of repeated acute abdomen and was diagnosed with fecal impaction in the descending colon based on X-ray and computed tomography (CT) imaging. After examination by gastrografin-enhanced colonography following colonoscopy and CT colonography, the fecalith was suspected to have been produced at the site of a large diverticulum in the transverse colon. The fecalith was surgically resected, and a histological diagnosis of pseudodiverticulum was made. There was no recurrence during 33 mo of follow-up.
CONCLUSION: This case highlights the importance of accurate identification and treatment of a fecal impaction. This case indicated that the endoscopic evacuation and subsequent colonography were effective for identifying a diverticulum that might have caused fecal impaction. A fecal impaction was associated with the diverticulum. Consequently, the planned diverticulectomy was performed. Appropriate emergency medical treatment and maintenance treatments should be selected in such cases to prevent recurrence.

PMID: 33521110 [PubMed]

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Intravitreal dexamethasone implant - a new treatment for idiopathic posterior scleritis: A case report.

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Intravitreal dexamethasone implant - a new treatment for idiopathic posterior scleritis: A case report.

World J Clin Cases. 2021 Jan 16;9(2):422-428

Authors: Zhao YJ, Zou YL, Lu Y, Tu MJ, You ZP

Abstract
BACKGROUND: Posterior scleritis is one of the most easily missed and misdiagnosed diseases in ophthalmology. In this case we treated a patient with intravitreal dexamethasone implant that has not been extensively studied before.
CASE SUMMARY: A 40-year-old female patient who had anxiety, palpitation, and insomnia presented with eye pain and decreased vision in the left eye. An eye examination indicated that her visual acuity (VA) was 40/100. Her left eye presented conjunctival edema, mild exophthalmos, clear cornea, KP(-), and clear aqueous humor. In the fundus, there was a cinerous retinal protuberance. Ultrasonography showed "T-sign" and no systemic association was detected in laboratory examination. One month after injection of dexamethasone implant, the patient exhibited VA of 20/20, fundus serous retinal detachment disappeared, and intraocular pressure of both eyes was at the normal level.
CONCLUSION: Intravitreal injection of dexamethasone implant may be a safe and effective treatment for patients with idiopathic posterior scleritis.

PMID: 33521111 [PubMed]

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Inflammatory myofibroblastic tumor successfully treated with metformin: A case report and review of literature.

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Inflammatory myofibroblastic tumor successfully treated with metformin: A case report and review of literature.

World J Clin Cases. 2021 Jan 16;9(2):429-435

Authors: Liang Y, Gao HX, Tian RC, Wang J, Shan YH, Zhang L, Xie CJ, Li JJ, Xu M, Gu S

Abstract
BACKGROUND: Inflammatory myofibroblastic tumor (IMT) is a distinct tumor with a low incidence rate, which can be diagnosed at any age with a predilection for children and adolescents. Although IMT is visible in any tissues and organs, it is more commonly found in the lungs. The clinical and radiological manifestations of IMT lack specificity, hence resulting in frequent misdiagnosis. Surgical resection is currently the main therapeutic approach for IMT. Only scarce cases of IMT treated with metformin have been reported. Here we report the case of an IMT patient with partial penile resection treated with metformin.
CASE SUMMARY: A 1-year-old boy was born with a shorter penis, and his foreskin could not be completely turned over. When he was 6 month old, a well-circumscribed mass on the glans was found, while it did not attract the attention of his parents. The mass gradually increased in size over time before he was admitted to the hospital, where physical examination was performed. It was revealed that the glans hidden behind the foreskin had a mass with a diameter of about 4 cm surrounding the penis. The mass appeared to be hard with a smooth surface and poor mobility. The two testicles examined at the bottom of the scrotum were revealed to have a normal size. Magnetic resonance imaging showed a tumor with rich blood supply encircling the cavernosum with a size of 3.5 cm × 2.1 cm × 2.0 cm. A thick urinary line was found without urine dripping, urgency, and urodynia. Surgical treatment was performed. During the operation, it was observed that the mass had surrounded and invaded the c avernosum without obvious boundaries, and that the tumor occupied about one-half of the penis cross-section as well as infiltrated more than one-half of the glans. In addition, the tumor had caused urethral invasion and anterior urethrostenosis. With the intention of keeping the glans and cavernosum, the tumor at the anterior urethra was partially removed, leaving about 30% of the tumor mass. Pathology analysis demonstrated that the tumor was rich in spindle cells with infiltration of inflammatory cells. Immuno-histochemistry analysis indicated that the cells were positive for CD4, CD99, Ki67, BCL2, and CD68, and negative for ALK, MyoG, S100, SOX10, PR, and EMA. Hence, the tumor was diagnosed as IMT. Metformin was prescribed for the patient after the operation, following which an oral dose of 7 mg/kg was given three times a day after meals. Three months later, it was observed that the remaining tumor had completely disappeared and that the urination process from the urethra opening had resumed normal. In addition, there were no side effects observed. There was also no tumor recurrence. The growth and development of the boy were unaffected as a result of the treatment.
CONCLUSION: The tumor was observed to have completely disappeared after treatment with metformin. Our finding is of great significance to facilitate future clinical treatment with IMT.

PMID: 33521112 [PubMed]

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Neonatal isovaleric acidemia

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Neonatal isovaleric acidemia in China: A case report and review of literature.

World J Clin Cases. 2021 Jan 16;9(2):436-444

Authors: Wu F, Fan SJ, Zhou XH

Abstract
BACKGROUND: Isovaleric acidemia (IVA) is a rare autosomal recessive inherited organic acidemia caused by a genetic deficiency of isovaleryl-CoA dehydrogenase (IVD). Its morbidity is low, but mortality is high. There is no effective cure for this disease. Early identification of IVA using clinical features can significantly slow disease progression and reduce mortality. Here we report a Chinese neonate with two mutations of IVD and share valuable information on this disease.
CASE SUMMARY: A 12-day-old male neonate with "poor response for 1 d and repeated convulsions accompanied by high muscle tension for 6 h" was hospitalized. The patient was the first child of nonconsanguineous ethnic Chinese parents. He was delivered by cesarean section due to breech position at 39 + 1 wk of gestation with a birth weight of 3.27 kg. Initially, he suffered from dyspnea and rhinobyon, and at 10 d after birth the patient suddenly developed poor feeding, low response, lethargy and seizures. Organic acid analysis of blood and urine by tandem mass spectrometry and gas chromatography mass spectrometry showed extremely high concentrations of isovaleryl glycine. The patient had an acute episode of IVA causing severe metabolic stress and eventually died.
CONCLUSION: A new case of an IVA patient carrying c.1193G>A (p.Arg398Gln) and c.1208A>G (p.Try403Cys) mutations is reported in China.

PMID: 33521113 [PubMed]

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Malignant solitary fibrous tumor of the greater omentum: A case report and review of literature.

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Malignant solitary fibrous tumor of the greater omentum: A case report and review of literature.

World J Clin Cases. 2021 Jan 16;9(2):445-456

Authors: Guo YC, Yao LY, Tian ZS, Shi B, Liu Y, Wang YY

Abstract
BACKGROUND: Malignant solitary fibrous tumors (SFTs) account for 15%-20% of all SFTs, and malignant SFTs arising from the greater omentum are extremely rare. Most malignant SFTs of the greater omentum are diagnosed via pathological examinations after surgery. In this study, we report a case of malignant omental SFT and review the published literature on this rare malignancy.
CASE SUMMARY: A 64-year-old female presented with an abdominal mass, and underwent exploratory surgery, during which a huge tumor originating from the greater omentum and intraperitoneal implants were identified and resected. The results of the pathological examination, immunohistochemistry staining, and gene sequencing led to the diagnosis of malignant SFT of the greater omentum. The patient died one and a half years later due to tumor recurrence and metastasis.
CONCLUSION: This is the first report of the application of gene sequencing in the diagnosis of malignant SFTs of the greater omentum.

PMID: 33521114 [PubMed]

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Paratesticular liposarcoma: Two case reports.

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Paratesticular liposarcoma: Two case reports.

World J Clin Cases. 2021 Jan 16;9(2):457-462

Authors: Zheng QG, Sun ZH, Chen JJ, Li JC, Huang XJ

Abstract
BACKGROUND: Paratesticular liposarcoma accounts for approximately 7% of scrotal tumors. They are rare lesions of the reproductive system with approximately 90% of the lesions originating from the spermatic cord. Surgery, with the goal of complete resection, is the mainstay for treatment of this disease. However, treatment consisting of extended resection to decrease local recurrence remains controversial.
CASE SUMMARY: We report the cases of two patients with paratesticular liposarcomas who were treated with radical testicular tumor resection without adjuvant therapy. Follow-up investigations at 9 mo showed no sign of recurrence.
CONCLUSION: Surgery is the first-line treatment, regardless of whether it is a recurrent or primary tumor. Extended resection carries a higher risk of complications and should not be performed routinely. Preoperative radiotherapy can reduce the local recurrence rate without affecting the overall survival.

PMID: 33521115 [PubMed]

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Sinistral portal hypertension associated with pancreatic pseudocysts - ultrasonography findings: A case report.

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Sinistral portal hypertension associated with pancreatic pseudocysts - ultrasonography findings: A case report.

World J Clin Cases. 2021 Jan 16;9(2):463-468

Authors: Chen BB, Mu PY, Lu JT, Wang G, Zhang R, Huang DD, Shen DH, Jiang TT

Abstract
BACKGROUND: Sinistral portal hypertension associated with pancreatic pseudocysts is rare, often caused by extrinsic compression of splenic vein, the follow-up examinations by ultrasonography for early diagnosis are quietly necessary since haematemesis, a life-threatening condition. Few studies have reported the ultrasonography findings of sinistral portal hypertension.
CASE SUMMARY: A 52-year-old man presented with acute abdominal pain after drinking, steatorrhea, weight loss and accidentally melena in the past 2 mo. He underwent ultrasound-guided fine needle aspiration in other hospital and diagnosed with pancreatic pseudocysts. Ultrasonography imaging, in our department, appeared as cystic heterogeneous hypoechoic area with the size of 4.7 cm × 3.8 cm that located posterior to the body and tail of pancreas, adjacent to splenic vein associated with thrombosis resulted from compression. Spleen incrassated to approximately 7.3 cm, but no dilation of main portal vein was presented. Color Doppler Flow Imaging demonstrated the formation of splenic venous collateral, nevertheless no significantly flow signals was observed in splenic vein. Pulsed Doppler revealed that the peak velocity of splenic venous collateral was 18.4 cm/s with continuous waveform. Laparotomy confirmed sinistral portal hypertension associated with pancreatic pseudocysts, su bsequently distal pancreatectomy combined with splenectomy and partial gastrectomy was performed.
CONCLUSION: It's important clinically to know the ultrasound appearance of sinistral portal hypertension associated with pancreatic pseudocysts for sonographer and physician.

PMID: 33521116 [PubMed]

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Postoperative complications of concomitant fat embolism syndrome, pulmonary embolism and tympanic membrane perforation after tibiofibular fracture: A case report.

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Postoperative complications of concomitant fat embolism syndrome, pulmonary embolism and tympanic membrane perforation after tibiofibular fracture: A case report.

World J Clin Cases. 2021 Jan 16;9(2):476-481

Authors: Shao J, Kong DC, Zheng XH, Chen TN, Yang TY

Abstract
BACKGROUND: Fat embolism syndrome (FES) is a rare disease characterized by pulmonary distress, neurologic symptoms, and petechial rash and seriously threatens human life and health. It is still neglected clinically because of the lack of verifiable diagnostic criteria and atypical clinical symptoms. No studies on FES with pulmonary embolism (PE) and tympanic membrane perforation have been reported to date. Here, we report a rare case of concomitant FES, PE and tympanic membrane perforation after surgery in a patient with a tibiofibular fracture.
CASE SUMMARY: A 39-year-old man presented with right lower extremity pain due to a car accident while driving a motorbike on the road. X-ray and computed tomography scans revealed a fracture of the right mid-shaft tibia and proximal fibula categorized as a type A2 fracture according to the AO classification. A successful minimally invasive operation was performed 3 d after the injury. Postoperatively, the patient developed sudden symptoms of respiratory distress and hearing loss. Early diagnosis was made, and supportive treatments were used at the early stage of FES. Seven days after surgery, he presented a clear recovery from respiratory symptoms. The outcome of fracture healing was excellent, and his hearing of the left ear was mildly impaired at the last follow-up of 4 mo.
CONCLUSION: Concomitant FES, PE and tympanic membrane perforation are very rare but represent potentially fatal complications of trauma or orthopedic surgery and present with predominantly pulmonary symptoms. Early diagnosis and treatment can reduce the mortality of FES, and prevention is better than a cure.

PMID: 33521118 [PubMed]

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Double-hit lymphoma (rearrangements of MYC, BCL-2) during pregnancy: A case report.

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Double-hit lymphoma (rearrangements of MYC, BCL-2) during pregnancy: A case report.

World J Clin Cases. 2021 Jan 16;9(2):482-488

Authors: Xie F, Zhang LH, Yue YQ, Gu LL, Wu F

Abstract
BACKGROUND: Double-hit lymphoma is a highly aggressive B-cell lymphoma that is genetically characterized by rearrangements of MYC and BCL2 and/or BCL6. Lymphoma is often accompanied by atypical systemic symptoms similar to physiological changes during pregnancy and is often ignored. Herein, we describe a gravid patient with high-grade B-cell lymphoma with a MYC and BCL-2 gene rearrangement involving multiple parts of the body.
CASE SUMMARY: A 32-year-old female, gestational age 22+5 wk, complained of abdominal distension, chest tightness and limb weakness lasting approximately 4 wk, and ovarian tumors were found 14 d ago. Auxiliary examinations and a trimanual gynecologic examination suggested malignant ovarian tumor and frozen pelvis. Coupled with rapid progression, severe compression symptoms of hydrothorax, ascites and moderate anemia, labor was induced. Next, biopsy and imaging examinations showed high-grade B-cell lymphoma with a MYC and BCL-2 gene rearrangement involving multiple parts of the body. She was referred to the Department of Oncology and Hematology for chemotherapy. Because of multiple recurrences after complete remission, chemotherapy plans were continuously adjusted. At present, the patient remains in treatment and follow-up.
CONCLUSION: The early detection and accurate diagnosis of lymphoma during pregnancy can help expedite proper multidisciplinary treatment to delay disease progression and decrease the mortality rate.

PMID: 33521119 [PubMed]

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Is sinusoidal obstructive syndrome a recurrent disease after liver transplantation? A case report.

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Is sinusoidal obstructive syndrome a recurrent disease after liver transplantation? A case report.

World J Clin Cases. 2021 Jan 16;9(2):489-495

Authors: Liu Y, Sun LY, Zhu ZJ, Wei L, Qu W, Zeng ZG

Abstract
BACKGROUND: Sinusoidal obstructive syndrome (SOS) is a disease that damages hepatic sinusoidal endothelial cells, resulting in progressive occlusion and fibrosis of the lobular central vein and the occurrence of intrahepatic sinusoidal portal hypertension. However, SOS after liver transplantation (LT) is uncommon and potentially fatal. Here, we report a rare case of second-time recurrence of SOS after liver retransplantation (rLT).
CASE SUMMARY: A 22-year-old woman received a living donor LT due to SOS. Four years later, she developed abdominal distention and ascites with no apparent cause. She was diagnosed with recurrence of SOS and underwent rLT. But 2 mo post rLT, the patient suffered from aggravated jaundice and ascites again. She was diagnosed with second-time recurrence of SOS post-rLT according to computed tomography and liver pathology. After treatment with warfarin anticoagulation and immunosuppressant conversion, she gradually recovered with improvement of liver function and liver pathology. During the 17-mo follow-up period, she was in good condition with normal liver function and no ascites.
CONCLUSION: SOS can be a recurrent disease after LT, and autoimmune antibody and genetic sequencing should be screened before LT. For susceptible patients, anticoagulant drugs should be used for an extended period, and tacrolimus or other pathogenic agents should be avoided. Early diagnosis and treatment can improve the prognosis of patients and avoid graft failure or death.

PMID: 33521120 [PubMed]

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