BACKGROUND Forehead osteoma is a commonly encountered benign facial bone tumor.Endoscopic excision of benign forehead masses is widely performed.Here,we report a rare case of recurrent forehead osteoma that disseminat...BACKGROUND Forehead osteoma is a commonly encountered benign facial bone tumor.Endoscopic excision of benign forehead masses is widely performed.Here,we report a rare case of recurrent forehead osteoma that disseminated after a previous osteoma excision.CASE SUMMARY A 54-year-old female patient had previously undergone endoscopic removal of a single forehead osteoma at 30 years of age.However,she had a recurrent osteoma around the same site and underwent another endoscopic resection at 40 years of age.During her first visit to our outpatient clinic,she presented with a cobblestone-like irregular surface on the forehead and a 3D facial bone computed tomography scan revealed a widely ragged surface of the inoculated osteoma on the outer table of the frontal bone.Under general anesthesia,we performed a radical complete excision of the disseminated osteoma through a bicoronal incision using an osteotome,chisel,mallet,and rasping.We hypothesized that the recurrence may have been caused by the inoculation of residual osteoma remnants from the previous procedure.Craniofacial surgeons should be cautious when removing osteoma particles,particularly when using an endoscopic approach.CONCLUSION To prevent recurrence,it is essential to conduct additional meticulous burring and a thorough inspection of the surface after copious irrigation.展开更多
The Koyna-Warna seismogenic region overlying the Deccan volcanic province of Western India has been experiencing the recurrence of earthquakes since 1967 soon after the impoundment of the Koyna Dam.A large number of s...The Koyna-Warna seismogenic region overlying the Deccan volcanic province of Western India has been experiencing the recurrence of earthquakes since 1967 soon after the impoundment of the Koyna Dam.A large number of small to medium-magnitude shallow focus earthquakes(>100,000)have been detected in this intraplate region during the last six decades.In the present study,the core samples recovered from the borehole‘KBH3’drilled upto 1134 m depth in the pre-Deccan granitoids basement rocks of this region have been subjected to mineralogical and geochemical studies.展开更多
In this paper, we analyze the enthalpy, enthalpy energy density, thermodynamic volume, and the equation of state of a modified white hole. We obtain new possible mathematical connections with some sectors of Number Th...In this paper, we analyze the enthalpy, enthalpy energy density, thermodynamic volume, and the equation of state of a modified white hole. We obtain new possible mathematical connections with some sectors of Number Theory, Ramanujan Recurring Numbers, DN Constant and String Theory, that enable us to extract the quantum geometrical properties of these thermodynamic equations and the implication to the quantum vacuum spacetime geometry of our early universe as they act as the constraints to the nature of quantum gravity of the universe.展开更多
Arterioportal shunt(APS) is an organic communication between the hepatic arterial system and the portal venous system. The APS is one of the major causes of transient hepatic attenuation differences on dynamic compute...Arterioportal shunt(APS) is an organic communication between the hepatic arterial system and the portal venous system. The APS is one of the major causes of transient hepatic attenuation differences on dynamic computed tomography(CT) or magnetic resonance imaging(MRI). This condition is usually associated with trauma,liver cirrhosis,and malignancies of the liver. However,there has been no report about oxaliplatininduced APS. A 41-year-old male was diagnosed with Stage ⅢB gastric cancer. The patient initially underwent neoadjuvant chemotherapy with capecitabine and oxaliplatin After 3 cycles of therapy,the mass had markedly decreased,and a total gastrectomy with splenectomy was performed. Since the malignancy was locally invasive,the patient was continued on the same regimen of the adjuvant chemotherapy. After 3 more cycles,a computed tomography revealed a 1 cm sized arterial-enhancing nodule in the right lobe of the liver. An MRI revealed an arterial enhancing lesion,and a positron emission tomography CT scan showed a hypermetabolic lesion in the same portion of the liver. We tried to perform a liver biopsy; however,an ultrasonography could not detect any mass. A presumptive diagnosis of an APS due to a recurred cancer was made. We found a similar but slightly different case report of an oxaliplatin-induced liver injury,mimicking a metastatic tumor on an MRI. Based on a prior report,the patient was continuedon treatment with adjuvant chemotherapy following discontinuation of oxaliplatin. After 2 cycles,the arterial enhancing liver mass resolved,supporting the final diagnosis of an APS,related to oxaliplatin-induced sinusoidal injury. The patient has not experienced any a relapse after two years of additional follow up recurrent gastric cancer upon interpretation of multiple imaging modalities.展开更多
The linear complexity of a new kind of keystream sequences.FCSR sequences,is discussed by use of the properties of cyclotomic polynomials.Based on the results of C.Seo's,an upper bound and a lower bound on the li...The linear complexity of a new kind of keystream sequences.FCSR sequences,is discussed by use of the properties of cyclotomic polynomials.Based on the results of C.Seo's,an upper bound and a lower bound on the linear complexity of a significant kind of FCSR sequences—l-sequences are presented.展开更多
Acute and recurring pericarditis are frequently encountered clinical entities.Given that severe complications such as tamponade and constrictive pericarditis occur rarely,the majority of patients suffering from acute ...Acute and recurring pericarditis are frequently encountered clinical entities.Given that severe complications such as tamponade and constrictive pericarditis occur rarely,the majority of patients suffering from acute pericarditis will have a benign clinical course.However,pericarditis recurrence,with its painful symptoms,is frequent.In effect,recent studies have demonstrated a beneficial role of colchicine in preventing recurrence,while also suggesting an increase in recurrences with the use of corticosteroids,the traditional first-line agent.展开更多
文摘BACKGROUND Forehead osteoma is a commonly encountered benign facial bone tumor.Endoscopic excision of benign forehead masses is widely performed.Here,we report a rare case of recurrent forehead osteoma that disseminated after a previous osteoma excision.CASE SUMMARY A 54-year-old female patient had previously undergone endoscopic removal of a single forehead osteoma at 30 years of age.However,she had a recurrent osteoma around the same site and underwent another endoscopic resection at 40 years of age.During her first visit to our outpatient clinic,she presented with a cobblestone-like irregular surface on the forehead and a 3D facial bone computed tomography scan revealed a widely ragged surface of the inoculated osteoma on the outer table of the frontal bone.Under general anesthesia,we performed a radical complete excision of the disseminated osteoma through a bicoronal incision using an osteotome,chisel,mallet,and rasping.We hypothesized that the recurrence may have been caused by the inoculation of residual osteoma remnants from the previous procedure.Craniofacial surgeons should be cautious when removing osteoma particles,particularly when using an endoscopic approach.CONCLUSION To prevent recurrence,it is essential to conduct additional meticulous burring and a thorough inspection of the surface after copious irrigation.
基金the Ministry of Earth Sciences,Govt of India,for the financial support[MoES/P.O.(Seismo)/1(374)/2019]and Dr.Sukanta Roy,Project Director,MoES-BGRL,Karad,for providing samples.
文摘The Koyna-Warna seismogenic region overlying the Deccan volcanic province of Western India has been experiencing the recurrence of earthquakes since 1967 soon after the impoundment of the Koyna Dam.A large number of small to medium-magnitude shallow focus earthquakes(>100,000)have been detected in this intraplate region during the last six decades.In the present study,the core samples recovered from the borehole‘KBH3’drilled upto 1134 m depth in the pre-Deccan granitoids basement rocks of this region have been subjected to mineralogical and geochemical studies.
文摘In this paper, we analyze the enthalpy, enthalpy energy density, thermodynamic volume, and the equation of state of a modified white hole. We obtain new possible mathematical connections with some sectors of Number Theory, Ramanujan Recurring Numbers, DN Constant and String Theory, that enable us to extract the quantum geometrical properties of these thermodynamic equations and the implication to the quantum vacuum spacetime geometry of our early universe as they act as the constraints to the nature of quantum gravity of the universe.
基金The National Research Foundation of Korea(NRF)funded by the Ministry of Science,ICT,and Future Planning,No.NRF-2015R1A5A2009070research fund from Chosun University,2015
文摘Arterioportal shunt(APS) is an organic communication between the hepatic arterial system and the portal venous system. The APS is one of the major causes of transient hepatic attenuation differences on dynamic computed tomography(CT) or magnetic resonance imaging(MRI). This condition is usually associated with trauma,liver cirrhosis,and malignancies of the liver. However,there has been no report about oxaliplatininduced APS. A 41-year-old male was diagnosed with Stage ⅢB gastric cancer. The patient initially underwent neoadjuvant chemotherapy with capecitabine and oxaliplatin After 3 cycles of therapy,the mass had markedly decreased,and a total gastrectomy with splenectomy was performed. Since the malignancy was locally invasive,the patient was continued on the same regimen of the adjuvant chemotherapy. After 3 more cycles,a computed tomography revealed a 1 cm sized arterial-enhancing nodule in the right lobe of the liver. An MRI revealed an arterial enhancing lesion,and a positron emission tomography CT scan showed a hypermetabolic lesion in the same portion of the liver. We tried to perform a liver biopsy; however,an ultrasonography could not detect any mass. A presumptive diagnosis of an APS due to a recurred cancer was made. We found a similar but slightly different case report of an oxaliplatin-induced liver injury,mimicking a metastatic tumor on an MRI. Based on a prior report,the patient was continuedon treatment with adjuvant chemotherapy following discontinuation of oxaliplatin. After 2 cycles,the arterial enhancing liver mass resolved,supporting the final diagnosis of an APS,related to oxaliplatin-induced sinusoidal injury. The patient has not experienced any a relapse after two years of additional follow up recurrent gastric cancer upon interpretation of multiple imaging modalities.
基金The work is supported by the Special Fund of National Excellently Doctoral Paper and HAIPURT.
文摘The linear complexity of a new kind of keystream sequences.FCSR sequences,is discussed by use of the properties of cyclotomic polynomials.Based on the results of C.Seo's,an upper bound and a lower bound on the linear complexity of a significant kind of FCSR sequences—l-sequences are presented.
文摘Acute and recurring pericarditis are frequently encountered clinical entities.Given that severe complications such as tamponade and constrictive pericarditis occur rarely,the majority of patients suffering from acute pericarditis will have a benign clinical course.However,pericarditis recurrence,with its painful symptoms,is frequent.In effect,recent studies have demonstrated a beneficial role of colchicine in preventing recurrence,while also suggesting an increase in recurrences with the use of corticosteroids,the traditional first-line agent.
