Importance Colorectal cancers (CRCs) with deficient DNA mismatch repair (dMMR) account for 15% of all CRCs. Deficient MMR is a predictive biomarker associated with responsiveness to immune checkpoint inhibitors (ICIs) in solid tumors, including CRC. The remarkable effectiveness of ICIs in…
A 46-year-old man presented with a left shoulder mass. He reported limited shoulder movements and denied other symptoms. What is your diagnosis?
Importance A true revolution in the management of advanced genitourinary cancers has occurred with the discovery and adoption of immunotherapy (IO). The therapeutic benefits of IO were recently observed not to be solely confined to patients with disseminated disease but also…
Importance The combination of immune checkpoint inhibitors with antiangiogenic agents has revolutionized the treatment landscape of advanced hepatocellular carcinoma (HCC). However, due to rapid publication of new studies that attained their predefined primary end points, a lack of robust cross-trial comparison…
A 31-year-old man presented with left cervical and left inguinal masses and intermittent itching and night sweats for 2 years. What is your diagnosis?
Importance Human papillomavirus (HPV)–positive oropharyngeal squamous cell carcinoma has an overall favorable prognosis, yet a subset of patients will experience devastating disease recurrence. Current surveillance standards for detection of recurrent disease are imperfect. There is growing interest in improving detection of…
A 53-year-old woman with mycosis fungoides presented with hyperpigmentation of the oral mucosa. Examination of the mouth revealed multiple coalescing painless nonpruritic black macules and patches on the tongue, roof of the mouth, and buccal mucosa. What is your diagnosis?
A 56-year-old woman was admitted for myeloablative conditioning in preparation for allogeneic hematopoietic cell transplant. Her course was complicated by severe mucositis, acute kidney injury, and neutropenic fever. During her admission, she also developed painful necrotic skin lesions, a nonproductive…
Importance Respiratory syncytial virus (RSV) mortality estimates have not been updated since 2009, and no study has assessed changes in influenza mortality after the 2009 pandemic. Updated burden estimates are needed to characterize long-term changes in the epidemiology of these viruses….
This case report describes an 18-year-old woman with neurofibromatosis type 1 and prior right brachial plexus neurofibroma resection who reported intermittent, unilateral facial flushing after exertion.
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