• Mashup Score: 0

    Little is known about B-lymphoblastic leukemia (B-ALL) that lacks expression of terminal deoxynucleotidyl transferase (TdT). To address this, we performed the largest study to date of TdT-negative B-ALL using data from St. Jude Total XV and XVI clinical trials. Compared to TdT-positive B-ALL (n = 896), TdT-negative B-ALL (n = 21) was associated with younger age (median, 1.4 versus 6.8 years,…

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    • Tdt-negative pediatric B-lymphoblastic leukemia - Rare, 1-2% of B-ALL cases - Highly associated with KMT2Ar - About 50% are also CD34-neg - May be diagnostically confusing - About 25% express CD10 https://t.co/d2ybfSmBMH #hemepath #hematology #pathology #pediatrics

  • Mashup Score: 5

    Neuroendocrine carcinoma (NEC) of the head and neck is a rare type of malignancy, accounting for only 0.3% of all head and neck cancers, and its clinicopathological and genomic features have not been fully characterized. We conducted a retrospective analysis of 27 patients with poorly differentiated NEC of the head and neck seen at our institution over a period of 15 years. Patient…

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    • OPEN ACCESS Clinicopathological and genomic features of head and neck neuroendocrine carcinoma https://t.co/0V1uwtfPRp 🌟lower prevalence of TP53 and RB1 mutations than in SCLC 🌟 FGFR3-TACC3 fusion, NOTCH, PI3K/AKT/mTOR potential therapeutic targets https://t.co/aZDDLBuGyk

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    While the abundance and phenotype of tumor-infiltrating lymphocytes are linked with clinical survival, their spatial coordination and its clinical significance remain unclear. Here, we investigated the immune profile of intratumoral and peritumoral tissue of clear cell renal cell carcinoma patients (n = 64). We trained a cell classifier to detect lymphocytes from hematoxylin and eosin stained…

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    • Spatial immunoprofiling of the intratumoral and peritumoral tissue of renal cell carcinoma patients | Modern Pathology https://t.co/KzLcA9DCT6

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    Chondrosarcomas are the second most common malignant bone tumor. Activating promoter mutations in telomerase reverse transcriptase (TERT) was recently described by us and others as a frequent mutation in high-grade chondrosarcoma. In this study, we investigate the prognostic significance of TERT promoter mutations in 241 chondrosarcomas from 190 patients collected over 24 years (1994–2017). The…

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    • OPEN ACCESS TERT promoter mutations in chondrosarcoma are easily analyzed and hold promising potential as an objective clinical prognostic marker and as a potential therapeutic target. https://t.co/S1bd7Qo5D7

  • Mashup Score: 15

    Myxoid liposarcoma (MLPS) is a malignant adipocytic neoplasm with predilection for the extremities. MLPS is genetically defined by a t(12;16) translocation leading to FUS–DDIT3 (95%) or more rarely t(12;22) leading to EWSR1–DDIT3. Low-grade MLPS is characterized by bland spindle cells within a myxoid matrix containing delicate “chicken-wire” vasculature, whereas high-grade (“round cell”) MLPS may…

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    • RT @JLHornick: Next-generation IHC! #PathTwitter #BSTPath @ModernPathology @Greg_Charville @BWHPath https://t.co/10UWRX6Z06

  • Mashup Score: 3

    Sentinel lymph node (SN) tumor burden is becoming increasingly important and is likely to be included in future N classifications in melanoma. Our aim was to investigate the prognostic significance of melanoma infiltration of various anatomically defined lymph node substructures. This retrospective cohort study included 1250 consecutive patients with SN biopsy. The pathology protocol required…

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    • OPEN ACCESS The histopathologic status of the sentinel lymph node is a powerful prognostic factor for patients with primary cutaneous melanomas. These authors developed sentinel node invasion level (SNIL) as non-metric staging system. https://t.co/dvvMkVVXij https://t.co/EcFOWFgupQ