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Competing Interests: Die Autorinnen/Autoren geben an, dass kein Interessenkonflikt besteht.

Idiopathic inflammatory myopathies are rare systemic diseases with different types of pulmonary manifestations depending on the underlying aetiology; here, interstitial lung diseases (ILD) are the most frequently found patterns depending on the underlying disorder. There is a lack of sufficient prospective studies on this heterogeneous group of patients, particularly in case of ILD being involved. The diagnosis is based upon guideline recommendations for ILD and requires a multidisciplinary discussion within a team with specific expertise in this field. Myositis specific antibodies and myositis associated antibodies form an essential part of the diagnostic tools and may also be associated with a certain phenotype or disease progression. Anti-t-RNA-synthetase antibodies (Anti-ARS) and anti-melanoma differentiation-associated gene 5 antibodies (MDA5) play an important clinical role for treatment the estimation of response and prognosis. The most common ILD patterns are nonspecific interstitial pneumonia (NSIP) and organising pneumonia (OP) or a mixed pattern of both. Treatment is based on systemic steroids and early initiation of other immunosuppressant drugs. Evidence for this is, however, sparse, since most of the studies having investigated treatment modalities are of retrospective nature, even though some new prospective data may be useful for the establishment of treatment pathways in the future., Competing Interests: M. Berger und M. Kreuter haben Vortragshonorare von Boehringer Ingelheim und Roche erhalten. Die anderen Autoren geben an, dass kein Interessenkonflikt besteht., (Thieme. All rights reserved.)

Clinically differentiating between autoimmune and neurodegenerative disorders can often pose a diagnostic challenge. The differential diagnosis of rapidly progressing neurological and cognitive symptoms includes central nervous system tumours, cerebral vasculitis, and inflammatory, autoimmune, or paraneoplastic encephalopathies. Rarer neurodegenerative diseases such as Creutzfeldt-Jakob disease should also be considered. Detection of treatable causes, such as autoimmune disorders, remains important when potentially occurring in conjunction with Creutzfeldt-Jakob disease. The following report describes a rare case in which autoimmune encephalopathy and prion disease were considered as possible comorbidities., Competing Interests: Die Autorinnen/Autoren geben an, dass kein Interessenkonflikt besteht., (Thieme. All rights reserved.)

According to current revised Fukuoka guidelines, there is an indication for resection of BD-IPMN of the pancreas with "worrisome features", as there is a risk of malignant degeneration of up to 30%. This can be performed as a non-anatomical local excision in the absence of clinical, radiological and laboratory signs of malignancy.Robotic enucleation for benign tumours of the pancreas is a very good alternative to resecting procedures, especially those using open techniques. This surgical treatment option is recommended by the "International consensus statement on robotic pancreatic surgery" in a case of a minimum distance to the main pancreatic duct of at least 2 mm.In addition to the known advantages of minimally invasive surgery, this parenchyma-sparing approach results in preservation of endo- and exocrine function (ca. 90%) and 10-year progression-free survival of ca. 75% with slightly increased morbidity (ca. 60%) compared with resecting procedures.The following video article presents the surgical video of a robotic cyst enucleation (for suspected BD-IPMN with "worrisome features") in the pancreatic head and uncinate process in a 62-year-old female patient with special emphasis on the most important vascular landmarks, special features of the approach and advantages of the robotic technique., Competing Interests: Die Autorinnen/Autoren geben an, dass kein Interessenkonflikt besteht., (Thieme. All rights reserved.)

Background: In recent years, there have been changes in the treatment of ductal pancreatic carcinoma with regard to multimodal therapy and also surgical therapy. These changes have not yet been explored in large nationwide studies in Germany. The present work gives an initial overview from a surgical perspective of the developments in diagnosis, therapy and survival of pancreatic cancer within the last 19 years in Germany., Methods: In this cohort of 18 clinical cancer registries in Germany, patients with a diagnosis of ductal pancreatic cancer from 2000-2018 were included. The patients were categorised according to the years of diagnosis (2000-2009 vs. 2010-2018) and treatment modalities and compared., Results: In the cohort of approx. 48000 patients with ductal pancreatic cancer, the number of newly diagnosed cases increased from approx. 18000 to 30000 patients in the two ten-year periods. The median overall survival increased slightly but statistically significantly from 7.1 to 7.9 months (p < 0.001). The resection rate increased from 25% to 32%, with the proportion of patients for whom no specific therapy was reported decreased by 11%. The rate of palliative chemotherapy and neoadjuvant chemotherapy also increased from 16% to 20% of the patients and from less than 1% to 2% of the patients, respectively. The median survival in the curatively treated subgroups was up to 24 months., Summary: The cancer registry data appear to confirm the known increase in the incidence of pancreatic cancer in the western world. Resection rates and the rates of treatment with neoadjuvant and palliative intent also increased. The overall survival of all patients with ductal pancreatic cancer only increased marginally. In the subgroups of patients who were treated with curative intent, however, significantly longer survival times were found., Competing Interests: Die Autorinnen/Autoren geben an, dass kein Interessenkonflikt besteht., (Thieme. All rights reserved.)

In the surgical treatment of gastroesophageal reflux disease and of hiatal hernias, the high rate of recurrence of hiatal hernias is a central problem. Against this background, various, primarily alloplastic, meshes are used to augment suture closure on the esophageal hiatus. Very different results have been reported in the past and the use of meshes in hiatus reconstruction is controversial. In addition to the frequency of recurrences, reports about complications of mesh augmentation are in the foreground. On the basis of several prospective randomised double-blinded comparative studies and meta-analyses (class Ia and Ib evidence), the current data do not show any advantages of mesh-augmented hiatoplasty for the prevention of recurrence of hiatal hernia. At the same time, there exist reports of more long-term postoperative complications, especially dysphagia, after use of meshes for augmentation of hiatus reconstruction. Therefore, routine use of mesh augmentation for hiatus reconstruction is currently not recommended., Competing Interests: Die Autorinnen/Autoren geben an, dass kein Interessenkonflikt besteht., (Thieme. All rights reserved.)

We report four cases of 12- to 17-year-old patients with schizophrenia, two of them suffering from catatonia, which were treated by ECT. Under a combined treatment with either ziprasidone or clozapine, and electroconvulsive therapy (ECT), they improved markedly. Severity and course of acute schizophrenia were evaluated by the Brief Psychiatric rating Scale (BPRS), severity and course of catatonia were evaluated with the Bush-Francis Catatonia Rating Scale (BFCRS). This article underlines the benefit, the safety and the tolerability of ECT in younger patients with schizophrenic disorders., Competing Interests: Die Autoren geben an, dass kein Interessenkonflikt besteht., (© Georg Thieme Verlag KG Stuttgart · New York.)

Background: The surgical treatment of obesity in Germany is a rapidly developing field which is strictly controlled by national guidelines., Objective: Depiction of the burden on obesity centers by the exponential increase in numbers of patients following bariatric treatment., Methods: In a retrospective study the numbers of outpatients at this university obesity center (founded 2007) were descriptively analyzed. Outpatient visits were documented annually and divided into two groups: primary visit and follow-up visit. The frequency of bariatric operations as well as their acceptance/cost coverage by health insurances were evaluated., Results: Overall 318 patients were seen in 2007: 156 primary and 162 follow-up visits. The health insurance rejection rate for cost coverage was 16.8%. There were 1691 outpatient visits in 2016 (2016 vs. 2007: +532%), of which 487 (+312%) were primary and 1204 (+743%) follow-up visits. The health insurance rejection rate dropped to 1.8%, while the frequency of operations increased nearly tenfold., Conclusion: With the increasing acceptance of bariatric surgery, a relatively low number of specialized centers have to deal with an exponentially rising follow-up frequency. In consideration of the extent of the obesity epidemic an adequate follow-up constitutes a socioeconomic problem, which can only be solved in an interdisciplinary setting under structural integration.

Background: Pancreatic ductal adenocarcinoma (PDAC) is a disease with a poor prognosis. PDAC shows characteristic mutations within codon 12/13. Circulating tumor cells (CTC) detected in blood samples of patients with cancer are hypothesized as the means of systemic tumor spread. But less is known about morphological/molecular characteristics or the pathophysiological meaning of PDAC CTC., Objectives: The aim of the study was a cytomorphological and genetic analysis of CTC from patients with PDAC followed by the correlation of the results with those of the corresponding tumor in the pancreas., Material and Methods: Blood samples of 58 patients with PDAC and 10 "normal" control donors were processed through a size-based CTC isolation. KRAS-mutation analyses were performed for CTC and the primary tumor and the results were compared. Furthermore, their potential as a prognostic marker was evaluated., Results: In patients with different UICC stages CTC were detected, but not in normal control patients. There was a trend for a worse median overall survival (OS) for patients with >3 CTC/ml. Patients with a KRAS G12V mutation showed a trend for a better median OS compared to those with other KRAS mutations (10 months) or even without KRAS mutation. Fifty-eight percent of the patients presented concordant KRAS mutations in the primary tumor and corresponding CTC, while 42% were discordant. The median OS for both groups was similar., Conclusions: Detection and characterization of CTC (for example by KRAS mutation analysis) may be useful for prognosis. Furthermore, it expands our knowledge of tumor biology and may detect possible tumor heterogeneity regarding the mutation profile of some cancer types.

The frequency of bariatric operations has increased in Germany. Primary operations are usually performed at specialised centres. However, late complications may develop months or even years after the operation, and every general and visceral surgeon may be confronted with them, regardless of the size and specialisation of their clinics. The laparoscopic Roux-Y gastric bypass is the most frequently performed bariatric operation worldwide. During this procedure, the alimentary loop is lifted up in front of the colon to form a pouch, which creates a mesenteric space, also called the Petersen space, dorsal to the alimentary loop and below the transverse colon. Both here and around the mesenteric space of the Roux anastomosis, an internal hernia may develop, i.e. the small intestine can twist on its own axis. Abdominal discomfort due to intestinal obstruction is unspecific, but very pronounced. Clinically, patients either present with an acute abdomen or with intermittent unspecific abdominal pain with nausea, and rarely also with vomiting. Clinical examinations and lab chemistry tests usually do not reveal any indicative findings. In cases of doubt, therefore, contrast-enhanced computed tomography of the abdomen is the diagnostic imaging procedure of choice. A diagnostic laparoscopy should be performed in every patient with a clinical suspicion of an internal hernia, even if the CT scan is unremarkable. This should be done by a surgeon who is well-versed in laparoscopy and experienced in bariatric surgery, since classification of the intestinal loops is very difficult without knowledge of the hernial orifices. First, an inframesocolic view is obtained with the transverse colon being lifted. From here, the open Petersen space offers a direct view of the ligament of Treitz from the right side. If small intestine is found to the right of the ligament, there is a Petersen hernia. After the inframesocolic view, the gastroenterostomy should be located and the alimentary loop should be followed in distal direction towards the jejunojejunostomy, where the second possible space may be found. Once both spaces have been located and a hernia has been reduced as appropriate, the spaces should be closed with non-absorbable suture., (Georg Thieme Verlag KG Stuttgart · New York.)

The repetitive transcranial magnetic stimulation (TMS) opens new therapeutic options in neuropsychiatric disorders. The use of rTMS in depressive disorders has been most preferably investigated in clinical trials. In Germany, the application of rTMS outside of clinical trials is already increasingly common, not only for depression. Our nationwide survey in psychiatric hospitals was used to detect the current state of the application of rTMS in clinical practice, and should serve as a basis for the development of quality standards., (© Georg Thieme Verlag KG Stuttgart · New York.)

Delusional parasitosis can occur as an isolated delusional syndrome, or it may be associated with an underlying psychiatric disorder or physical illness. The benefit of treatment with antipsychotics in the treatment of delusional parasitosis is well known. Because of their efficacy and side effects profile, atypical neuroleptics have been suggested as potential alternatives to classical neuroleptics. In the case presented, the positive experiences with the novel neuroleptic aripiprazole are described.

A patient with cervical myelopathy caused by marked degenerative alterations of the cervical spinal column at the level of cervical vertebrae 3/4 and relative spinal canal stenosis in the area of cervical vertebrae 5-7 was treated in the department of neurosurgery because of progressive myatrophy and paresis of muscles innervated from cervical nerves 5-7. The operation was performed with vertebrectomy of cervical vertebra 6, implantation of a Harms titanium cage with autograft and a plate and spongy bone screw fixation system. There exists an unusual--and not often publicized--complication during this surgical procedure in the area of the cervical spine, namely penetrating injury of the vertebral artery caused by the treatment with a plate and spongy bone screw fixation system. We describe such an injury of the left vertebral artery. The vertebral artery was intraoperatively embolized using mechanical embolization coils.

Until now, the pathogenesis of Marchiafava-Bignami disease, an extrapontine myelinolysis, is unknown. Accept an abuse of alcohol for many years additional metabolic and vascular disturbances are supposed. The early performance of magnetic resonance imaging in patients with a sudden encephalopathy and history of alcoholism is essential for an assessment of the diagnosis. The bilateral lack of transcallosal inhibition--a parameter for the integrity of the transcallosal connections between motor cortices--is the consequence of the axonal degeneration of transcallosal fibers. Clinical and neuroradiological features of three patients with extrapontine myelinolysis are reported and possible etiologies of the complex disease are discussed. In two cases a severe alcohol abuse was present with the typical picture of the Marchiafava-Bignami disease. In a third patient an intoxication with methanol was present with a similar clinical picture. Although severe neurological disturbances were initially apparent in the patients, during the follow-up there was a significant amelioration of the clinical course under a high-dose vitamin B supplementation.

Report of an unusual intubation in a patient who had had resection of maxilla and exenteration of the orbits. Because of a lock jaw the intubation had to be performed through the orbita.