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This illustrated book explores the difficulties faced by 'frogs with a different croak'. Aimed at children with autism and related spectrum conditions, Teacher Toad's lessons give practical advice on issues covering everything from hard-to-break habits to physical coordination difficulties.

The retinal pigment epithelium (RPE) is essential for the survival and function of retinal photoreceptor cells. RPE dysfunction causes various retinal diseases including age-related macular degeneration (AMD). Clinical studies on ES/iPS cell-derived RPE transplantation for RPE dysfunction-triggered diseases are currently underway. Quantification of the diseased RPE area is important to evaluate disease progression or the therapeutic effect of RPE transplantation. However, there are no standard protocols. To address this issue, we developed a 2-step software that enables objective and efficient quantification of RPE-disease area changes by analyzing the early-phase hyperfluorescent area in fluorescein angiography (FA) images. We extracted the Abnormal region. This extraction was based on deep learning-based discrimination. We scored the binarized extracted area using an automated program. Our program’s performance for the same eye from the serial image captures was within 3.1 ± 7.8% error. In progressive AMD, the trend was consistent with human assessment, even when FA images from two different visits were compared. This method was applicable to quantifying RPE-disease area changes over time, evaluating iPSC-RPE transplantation images, and a disease other than AMD. Our program may contribute to the assessment of the clinical course of RPE-disease areas in routine clinics and reduce the workload of researchers.

PurposeChemotherapy for the hemodialysis (HD) patient is a challenging situation because it requires special considerations including dose modifications and timing of drug administration in relation with HD sessions. Polaltuzumab vedotin (PV), an antibody–drug conjugate in which monomethyl auristatin E (MMAE) is linked to an anti-CD79b monoclonal antibody, is an extremely promising therapeutic for treating diffuse large B cell lymphoma (DLBCL), but the pharmacokinetics are unknown in HD patients.MethodsWe carried out pharmacokinetic studies of PV when administered at 1.2 mg/kg to a DLBCL patient on HD, and compared the results with that of non-HD patients. PV was administered in conjunction with bendamustine and rituximab.ResultsSerum concentration–time curves of both antibodyconjugated and unconjugated MMAE in the presented HD patient were similar compared to that of non-HD patients. We also demonstrate that elimination of both antibody-conjugated and unconjugated MMAE through HD is limited. PV administration at 1.2 mg/kg to an HD patient was also clinically feasible, and no signs of peripheral neuropathy were observed.ConclusionsPV therapy may be a relatively safe treatment method for DLBCL patients on HD.

Background We report the case of a patient with smoking‐induced radiation laryngeal necrosis (RLN) after undergoing definitive radiotherapy (RT) alone for T1a glottic squamous cell carcinoma. Case The patient was a 63‐year‐old man who had a history of heavy smoking. He quit smoking when he was diagnosed with glottic squamous cell carcinoma. The RT dose was 63 Gy, delivered in 28 fractions with the three‐dimensional conventional RT technique for the larynx. After RT completion, the initial treatment response was complete response. He then underwent follow‐up examinations. At 13 months after RT, the patient resumed smoking. At 2 months after resuming smoking, he had severe sore throat and hoarseness. Laryngoscopy revealed a large tumor in the glottis. Surgical excision was performed, and the patient was histologically diagnosed with RLN, as late toxicity without cancer recurrence. At 3 weeks postoperatively, the patient had dyspnea, and laryngoscopy revealed total laryngeal paralysis. Thus, he underwent an emergent tracheostomy. The administration of steroids affected RLN, and laryngeal paralysis gradually improved. Conclusions This case suggests that smoking may have the potential to induce RLN after RT. Moreover, continuing smoking cessation is significantly important for patients with glottic cancer who receive RT. Rather than leaving smoking cessation up to the patient, it would be necessary for clinicians to actively intervene to help patients continue their effort to quit smoking.