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Τρίτη 2 Μαρτίου 2021

Abdominopelvic leiomyoma with large ascites: A case report and review of the literature

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World J Clin Cases. 2021 Feb 26;9(6):1424-1432. doi: 10.12998/wjcc.v9.i6.1424.

ABSTRACT

BACKGROUND: Leiomyoma of the uterus is relatively common, but uterine leiomyoma of the greater omentum is rare.

CASE SUMMARY: Here, we report the case of a 22-year-old woman who presented with a 3 mo history of progressive abdominal distension and a hypervascular abdominopelvic mass. Due to a high serum concentration of CA125, the preoperative diagnosis was unclear. During surgery, 5 L of ascites was removed. An 18.8 cm solid mass, which was pedunculated from the uterine fundus and exhibited complex adhesion to the greater omentum, was removed. The CA125 level was reduced postoperatively, and a pathologic study confirmed that the mass was a leiomyoma that originated in the uterus.

CONCLUSION: Uterine leiomyoma can share vessels with the greater omentum. This case highlights the difficulty of diagnosing pseudo-Meigs syndrome and the impor tance of imaging and laboratory examinations.

PMID:33644211 | PMC:PMC7896699 | DOI:10.12998/wjcc.v9.i6.1424

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Negative conversion of autoantibody profile in chronic hepatitis B: A case report

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World J Clin Cases. 2021 Feb 16;9(5):1196-1203. doi: 10.12998/wjcc.v9.i5.1196.

ABSTRACT

BACKGROUND: Autoimmune antibodies are detected in many diseases. Viral infections are accompanied by several immunopathological manifestations. Some autoimmune antibodies have been associated with the immune response induced by virus or drugs. Thus, a comprehensive diagnosis of chronic hepatitis B combined with autoimmune hepatitis is required, and immunosuppressant or antiviral therapy should be carefully considered.

CASE SUMMARY: We present a case of a patient who had negative transformation of autoimmune antibodies during chronic active hepatitis B. A 50-year-old female who had a history of asymptomatic hepatitis B virus carriers for more than 10 years presented to the hospital with the complaint of weakness for 1 wk. Blood tests revealed elevated liver enzymes; the detection of autoantibodies was positive. Hepatitis B viral load was 721000 00 IU/mL. The patient started tenofovir alafenamide fumigate 25 mg daily. Liver biopsy was performed, which was consistent with chronic active hepatitis B. The final diagnosis of the case was chronic active hepatitis B. The autoimmune antibodies turned negative after 4 wk of antiviral therapy. The patient recovered and was discharged with normal liver function. There was no appearance of autoantibodies, and liver function was normal at regular follow-ups.

CONCLUSION: Autoimmune antibodies may appear in patients with chronic active hepatitis. It is necessary to differentiate the diagnosis with autoimmune hepatitis.

PMID:33644184 | PMC:PMC7896659 | DOI:10.12998/wjcc.v9.i5.1196

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Unusual presentation of granulomatosis with polyangiitis causing periaortitis and consequent subclavian steal syndrome: A case report

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World J Clin Cases. 2021 Feb 26;9(6):1433-1438. doi: 10.12998/wjcc.v9.i6.1433.

ABSTRACT

BACKGROUND: Granulomatosis with polyangiitis (GPA) is a rare autoimmune disease that involves small-to-medium-sized vessels and forms necrotizing vasculitis with granulomatous inflammation. The formation of a large vessel lesion in GPA patients has been scarcely reported, and it can cause confusion in the diagnosis.

CASE SUMMARY: A 27-year-old man presented with mild left-sided pleuritic chest pain that started one year prior. An imaging study revealed up to 2.5 cm-sized two irregular nodular consolidation nodule in the left lower lobe. Both nodules showed central necrosis. Also, there was a periaortic mass occluding the branching porting of the subclavian artery. He had positive anti-neutrophil cytoplasmic antibodies (ANCAs), but myeloperoxidase-ANCAs and proteinase 3-ANCAs were negative. The patient also developed symptoms of subclavian vein syndrome during the follow-up. Wedge resection of the lung revealed necrotizing vasculitis, destructive parenchymal abscess and surrounding granuloma, and therefore diagnosed of GPA. The patient started on methotrexate and steroid therapy with a relief of symptomatic.

CONCLUSION: Here, we present an unusual manifestation of GPA with periaortitis and consequent subclavian steal syndrome, which has never been previously described. This case alerts us that we should include GPA in the differential diagnosis of large vessel vasculitis as well as subclavian steal syndrome.

PMID:33644212 | PMC:PMC7896677 | DOI:10.12998/wjcc.v9.i6.1433

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Infective bicuspid aortic valve endocarditis causing acute severe regurgitation and heart failure: A case report

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World J Clin Cases. 2021 Feb 16;9(5):1221-1227. doi: 10.12998/wjcc.v9.i5.1221.

ABSTRACT

BACKGROUND: Infective endocarditis (IE) is an uncommon but potentially life-threatening infection, which occasionally develops into acute severe valve insufficiency leading to the onset of heart failure, and necessitates timely intervention. However, the variable and atypical clinical manifestations always make the early detection of IE difficult and challenging.

CASE SUMMARY: A 45-year-old female who was previously healthy presented with exertional shortness of breath and paroxysmal nocturnal dyspnea. She also suffered from a significant decrease in exercise capacity, whereas her body temperature was normal. She had severe hypoxemia and hypotension along with a marked aortic valve murmur. Diffuse pulmonary edema and bilateral pleural effusion were observed on both chest X-ray and computed tomography scan. Transthoracic echocardiography was pe rformed immediately and revealed severe regurgitation of the bicuspid aortic valve. Transesophageal echocardiography was further performed and vegetations were detected. In addition to adequate medical therapy and ventilation support, the patient underwent urgent and successful aortic valve replacement. Her symptoms were significantly relieved and the postoperative chest X-ray showed that pulmonary edema was significantly reduced. Histopathology of the resected valve and positive microorganism culture of the surgical specimen provided evidence of definite IE.

CONCLUSION: IE should be considered in critical patients with refractory heart failure caused by severe bicuspid aortic valve regurgitation.

PMID:3364418 8 | PMC:PMC7896646 | DOI:10.12998/wjcc.v9.i5.1221

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Postoperative discal pseudocyst and its similarities to discal cyst: A case report

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World J Clin Cases. 2021 Feb 26;9(6):1439-1445. doi: 10.12998/wjcc.v9.i6.1439.

ABSTRACT

BACKGROUND: Postoperative discal pseudocyst (PDP) is a rare condition that presents after surgery for lumbar disc herniation. Due to the lack of information, the diagnosis and treatment of PDP remain controversial. Herein, we report a PDP case that occurred following percutaneous endoscopic lumbar discectomy and received conservative treatment. Additionally, we review all the published literature regarding PDP and propose our hypothesis regarding PDP pathology.

CASE SUMMARY: A 23-year-old man presented with a relapse of low back pain and numbness in his left lower extremity after undergoing percutaneous endoscopic lumbar discectomy for lumbar disc herniation. Repeat magnetic resonance imaging demonstrated a cystic lesion at the surgical site with communication with the inner disc. The patient was diagnosed as having PDP. The patient received c onservative treatment, which resulted in rapid improvement and spontaneous regression of the lesion, and had a favorable outcome in follow-up.

CONCLUSION: PDP and discal cyst (DC) exhibit similarities in both histological and epidemiological characteristics, which indicates the same pathological origin of PDP and DC. The iatrogenic annular injury during discectomy might accelerate the pathological progression of DC. For patients with mild to moderate symptoms, conservative treatment can lead to great improvement, even inducing spontaneous regression. However, surgical cystectomy is necessary in patients with neurological deficits and where conservative treatment is ineffective.

PMID:33644213 | PMC:PMC7896671 | DOI:10.12998/wjcc.v9.i6.1439

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Animal models of cathartic colon

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World J Clin Cases. 2021 Feb 26;9(6):1251-1258. doi: 10.12998/wjcc.v9.i6.1251.

ABSTRACT

The incidence of cathartic colon has been increasing, but satisfactory treatments are still lacking. In order to study the pathological mechanisms of the disorder and identify effective treatment methods, researchers have established different animal models of cathartic colon. This minireview briefly summarizes several common cathartic colon animal models, induced with anthraquinone laxatives such as rhubarb, total anthraquinone, rhein, and emodin, or induced with diphenylmethane laxatives such as phenolphthalein. The advantages and limitations of these models are evaluated and analyzed. We hope that this review will facilitate the selection of suitable models and improve relevant modeling methods. We anticipate the development of more convenient and stable models that can reflect the characteristics of cathartic colon in humans, and serve as useful tools for further studies.

PMID:33644192 | PMC:PMC7896687 | DOI:10.12998/wjcc.v9.i6.1251

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Treatment of oral lichen planus by surgical excision and acellular dermal matrix grafting: Eleven case reports and review of literature

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World J Clin Cases. 2021 Feb 26;9(6):1446-1454. doi: 10.12998/wjcc.v9.i6.1446.

ABSTRACT

BACKGROUND: Oral lichen planus (OLP) is a chronic inflammatory disorder, and it can affect normal oral function. The conventional treatments for OLP are not always effective, and relapse easily occurs. Therefore, treatment of OLP is difficult and challenging. In this study, we evaluated over a long period the clinical efficacy of surgical excision and acellular dermal matrix (ADM) grafting in patients with refractory OLP.

CASE SUMMARY: Eleven patients with refractory OLP underwent a standardized protocol of surgical excision and ADM grafting. The condition of the area of the grafted wound, the intraoperative maximum mouth opening, pain, and clinical healing were assessed at postoperative follow-up visits. All patients had a flat surgical area with similar mucosal tissue coverage and local scar formation. Patients had no irritation and pain in their mucous membranes when eating acidic and spicy food. All patients' mouth openings returned to normal within 2-6 mo after surgery. During follow-up, none of the patients had recurrence of OLP after surgery. The longest follow-up was 11 yr and the shortest was 6 mo, and none of the patients relapsed during follow-up.

CONCLUSION: Surgical excision and ADM grafting could be an effective method to treat refractory OLP.

PMID:33644214 | PMC:PMC 7896670 | DOI:10.12998/wjcc.v9.i6.1446

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Gastrointestinal stromal tumor with multisegmental spinal metastases as first presentation: A case report and review of the literature

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World J Clin Cases. 2021 Feb 26;9(6):1490-1498. doi: 10.12998/wjcc.v9.i6.1490.

ABSTRACT

BACKGROUND: Gastrointestinal stromal tumor (GIST) usually originates in the stomach, followed by the small intestine, rectum, and other parts of the gastrointestinal tract. The most common sites of metastasis are the liver and peritoneum, whereas spinal metastases from GIST are extremely rare.

CASE SUMMARY: We found a case of GIST with the first presentation of multilevel spinal metastases involving the thoracic and lumbar vertebrae. A 61-year-old Chinese man presented to our clinic because of pain in his lower back and hip for 10 d without cause. Subsequently, computed tomography (CT) and magnetic resonance imaging (MRI) revealed abnormal signals in the vertebral appendages of T12 and L4 accompanied by spinal canal stenosis, which was considered as tumor metastasis. As there were no metastases to vital organs, posterior thoracic and lumbar sp inal decompression + adnexal mass resection + pedicle internal fixation was adopted to achieve local cure and prevent nerve compression. The results of histopathological studies were consistent with the metastasis of GIST. No local recurrence or new metastases were found at the 6-mo follow-up at the surgical site. The patient has no neurological symptoms at present. It is worth mentioning that a rectal mass was found and surgically removed 1 mo after the patient was discharged from hospital, and the pathological diagnosis of the mass was GIST.

CONCLUSION: By reviewing 26 previously reported cases of spinal metastasis in GIST, it was found that spinal metastasis of GIST has become more common in recent years, so the possibility of early spinal metastasis should be recognized. CT and MRI are of great value in the diagnosis of spinal metastatic tumors, and pathological biopsy is the gold standard for the diagnosis of metastatic tumors. It is safe and feasible to treat isolated sp inal metastasis in GIST by excising metastatic masses, decompressing the spinal canal, and stabilizing the spine.

PMID:33644220 | PMC:PMC7896676 | DOI:10.12998/wjcc.v9.i6.1490

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Nonalcoholic fatty liver disease as a risk factor for cytomegalovirus hepatitis in an immunocompetent patient: A case report

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World J Clin Cases. 2021 Feb 26;9(6):1455-1460. doi: 10.12998/wjcc.v9.i6.1455.

ABSTRACT

BACKGROUND: Almost 80 percent of adults in the United States have had cytomegalovirus (CMV) infection by age 40. The number of symptomatic CMV hepatitis cases has been increasing along with non-alcoholic fatty liver disease (NAFLD) cases in the United States that is estimated to be 25 percent of the population. In this paper, we try to link these two entities together.

CASE SUMMARY: In this case report, we describe a young female who presented with fever, nausea, and vomiting who was found to have NAFLD and CMV hepatitis that was treated supportively.

CONCLUSION: In this case report, we describe NAFLD as a risk factor for CMV hepatitis and discuss the possible impact on clinical practice. We believe, it is essential to consider NAFLD and it's disease mechanisms' localized immu-nosuppression, as a risk factor of CMV hepatitis and severe c oronavirus disease 2019 infection.

PMID:33644215 | PMC:PMC7896686 | DOI:10.12998/wjcc.v9.i6.1455

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Early reoccurrence of traumatic posterior atlantoaxial dislocation without fracture: A case report

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World J Clin Cases. 2021 Feb 26;9(6):1461-1468. doi: 10.12998/wjcc.v9.i6.1461.

ABSTRACT

BACKGROUND: In general, atlantoaxial dislocation is rare due to the stability of the C1-C2 complex. Traumatic atlantoaxial dislocations are usually anterior and accompanied by odontoid fractures. Posterior atlantoaxial dislocations are rare, and complete posterior dislocation without associated fracture is even more rare. A case of early recurrence of posterior atlantoaxial dislocation without fracture being in therapy of first closed reduction and then open reduction has not been previously reported.

CASE SUMMARY: A 45-year-old female presented with traumatic posterior atlantoaxial dislocation (TPAD) of C1-C2 without associated fractures, and Frankel Grade B spinal cord function. She was successfully managed by immediate closed reduction under skull traction. Unexpectedly, 17 d later, re-dislocation was discovered. On day 28, closed reduction was performed as before but failed. Then, open reduction and posterior internal fixation with autologous iliac bone grafts was performed. By 6 mo after surgery, atlantoaxial joint fusion was achieved, and neurological function had recovered to Frankel Grade E. At 12 mo follow-up, she had lost only 15° of cervical rotation, and atlantoaxial complex instability in joint flexing and extending were no longer observed under fluoroscopy.

CONCLUSION: Early assessment of transverse ligament is critical for TPAD without fracture avoiding re-dislocation after closed reduction.

PMID:33644216 | PMC:PMC7896674 | DOI:10.12998/wjcc.v9.i6.1461

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Spontaneous small bowel perforation secondary to Vibrio parahaemolyticus infection: A case report

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World J Clin Cases. 2021 Feb 16;9(5):1210-1214. doi: 10.12998/wjcc.v9.i5.1210.

ABSTRACT

BACKGROUND: Vibrio pararhaemolyticus (V. parahaemolyticus), a pathogen that commonly causes gastroenteritis, could potentially lead to a pandemic in Asia. Its pathogenesis and molecular mechanisms vary, and the severity of illness can be diverse, ranging from mild gastroenteritis, requiring only supportive care, to sepsis.

CASE SUMMARY: We outline a case of a 71-year-old female who experienced an acute onset of severe abdominal tenderness after two days of vomiting and diarrhea prior to her emergency department visit. A small bowel perforation was diagnosed using computed tomography. The ascites cultured revealed infection due to V. parahaemolyticus.

CONCLUSION: Our case is the first reported case of V. parahaemolyticus-induced gastroenteritis resulting in small bowel perforation.

PMID:33644186 | PMC:PMC7896667 | DOI:10.12998/wjcc.v9.i5.1210

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