Multicentric analytical comparability study of programmed death-ligand 1 expression on tumor-infiltrating immune cells and tumor cells in urothelial bladder cancer using four clinically developed immunohistochemistry assays (2019) Schwamborn K, Ammann JU, Knüchel R, Hartmann A, Baretton G, Lasitschka F, Schirmacher P, et al. Journal article BRAF mutation testing in melanoma: results from a German observational multicenter study (2019) Hartmann A, Schirmacher P, Sterlacci W, Koch W, Liesenfeld DB, Schif B, Garbe C Journal article Misses and near misses in diagnosing nodular fasciitis and morphologically related reactive myofibroblastic proliferations: experience of a referral center with emphasis on frequency of USP6 gene rearrangements (2018) Erber R, Agaimy A Journal article Light chain proximal tubulopathy in the spectrumof B-cell dyscrasia induced renal disease (2018) Buettner-Herold M, Chuva T, Minuth K, Pfister F, Daniel C, Klewer M, Buttner A, et al. Conference contribution A case of multiple familial trichoepitheliomas responding to treatment with the Hedgehog signaling pathway inhibitor vismodegib (2018) Baur V, Papadopoulos T, Kazakov D, Agaimy A, Hartmann A, Isbary G, Wirtz RM, Schultz ES Journal article Fumarate hydratase (FH) deficiency in uterine leiomyomas: recognition by histological features versus blind immunoscreening (2018) Siegler L, Erber R, Burghaus S, Brodkorb T, Wachter D, Wilkinson N, Bolton J, et al. Journal article Restoration of an academic historical gross pathology collection-refreshed impact on current medical teaching? (2018) Eichhorn P, Andraschke U, Dross F, Geppert CI, Hartmann A, Rau T Journal article Comparison of PD-L1 mRNA expression measured with the CheckPointTyper(R) assay with PD-L1 protein expression assessed with immunohistochemistry (IHC) in lung cancer (NSCLC) (2017) Erber R, Stoehr R, Herlein S, Fuchs F, Veltrup E, Wirtz R, Hartmann A Conference contribution SMARCA4-deficient pulmonary adenocarcinoma: clinicopathological, immunohistochemical, and molecular characteristics of a novel aggressive neoplasm with a consistent TTF1neg/CK7pos/HepPar-1pos immunophenotype (2017) Agaimy A, Fuchs F, Moskalev E, Sirbu H, Hartmann A, Haller F Journal article Histological, immunohistological and molecular characteristics of intraductal precursor of carcinoma ex pleomorphic adenoma support a multistep carcinogenic process (2017) Ihrler S, Guntinas-Lichius O, Agaimy A, Wolf A, Mollenhauer M Journal article