P. Langer

Publications85
h-index14
Citations744
Highly Influential Citations16
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Laparoscopic versus open adrenalectomy for adrenocortical carcinoma: surgical and oncologic outcome in 152 patients.
BACKGROUND The role of laparoscopic adrenalectomy in the treatment of patients with adrenocortical carcinoma (ACC) is controversial. OBJECTIVE Our aim was to compare oncologic outcome in patients… Expand
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Deficits in the management of patients with adrenocortical carcinoma in Germany.
BACKGROUND Adrenocortical carcinoma (ACC) is a rare tumor with a poor prognosis. Often, the physicians who first treat patients with ACC have no prior experience with the disease. The aim of our… Expand
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Natural course of small adrenal lesions in multiple endocrine neoplasia type 1: an endoscopic ultrasound imaging study.
OBJECTIVE Adrenal lesion is one of the features of multiple endocrine neoplasia type 1 (MEN1). This study aimed to assess prevalence, natural course and clinical relevance of small adrenal lesions… Expand
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Base mediated synthesis of 2-aryl-2,3-dihydroquinazolin-4(1H)-ones from 2-aminobenzonitriles and aromatic aldehydes in water.
An environmentally friendly and mild procedure to obtain 2,3-dihydroquinazolin-4(1H)-ones from 2-aminobenzonitriles and aromatic aldehydes has been developed. The reactions took place in water with… Expand
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Peripheral bone mineral density in correlation to disease-related predisposing conditions in patients with multiple endocrine neoplasia type 1
Background and aim: Patients with multiple endocrine neoplasia type 1 (MEN1) often have low bone mineral density (BMD) attributed to primary hyperparathyroidism (pHPT). However, in MEN1 patients,… Expand
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Synthesis of N,N'-diglycosylated isoindigos.
The first N,N'-diglycosylated isoindigos were prepared by P(NEt(2))(3)-mediated dimerization of acetyl protected N-glycosyl-5-alkylisatins. Subsequent deacetylation yielded the corresponding… Expand
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Variation in Precursor Lesions of Pancreatic Cancer among High-Risk Groups
Purpose: Pancreatic ductal adenocarcinoma (PDAC) surveillance programs are currently offered to high-risk individuals aiming to detect precursor lesions or PDAC at an early stage. We assessed… Expand
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Synthesis of 3,3'-carbonyl-bis(chromones) and their activity as mammalian alkaline phosphatase inhibitors.
Hitherto unknown 3,3'-carbonyl-bis(chromones) 8, dimeric chromones bridged by a carbonyl group, were prepared by reaction of chromone-3-carboxylic acid chloride with 3-(dimethylamino)-1-… Expand
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A convenient palladium-catalyzed carbonylative synthesis of 2-aminbenzoxazinones from 2-bromoanilines and isocyanates.
Mon ami(ne)! A general and convenient methodology for 2-aminobenzoxazinone synthesis has been developed (see scheme). Readily available 2-bromoanilines and isocyanates were used as substrates and… Expand
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Efficient synthesis of thieno[3,2-b:4,5-b']diindoles and benzothieno[3,2-b]indoles by Pd-catalyzed site-selective C-C and C-N coupling reactions.
Heteroacenes (thieno[3,2-b:4,5-b']diindoles and benzothieno[3,2-b]indoles) were efficiently synthesized from tetrabromothiophene and 2,3-dibromobenzothiophene in two steps, respectively. In the first… Expand
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