Efficacy Assessment of the High-Frequency High-Intensity Focused Ultrasound as a New Treatment for Actinic Keratosis

Dermatology ◽  
2021 ◽  
pp. 1-6
Author(s):  
S. Morteza Seyed Jafari ◽  
Simone Cazzaniga ◽  
Simon Bossart ◽  
Laurence Feldmeyer ◽  
Lorenzo Pelloni ◽  
...  
Keyword(s):  
Actinic Keratosis ◽  
High Intensity ◽  
Focused Ultrasound ◽  
Cutaneous Lesion ◽  
High Intensity Focused Ultrasound ◽  
Safe Alternative ◽  
Risk Of Progression ◽  
Late Adverse Effects ◽  
Efficacy Assessment ◽  
New Treatment

<b><i>Background:</i></b> Actinic keratosis (AK) is the most common precancerous cutaneous lesion, with risk of progression to cutaneous squamous cell carcinoma. In the current study, we evaluated the efficacy of 20-MHz high-intensity focused ultrasound (HIFU), as a new treatment modality for AK. <b><i>Materials and Methods:</i></b> Patients with AK lesions (grades I–III) treated with HIFU were included in the study. The clinical assessment was performed 3 months after therapy. <b><i>Results:</i></b> Twenty-one patients (14 men, 7 women) with 108 AK lesions (grades I–III) were included in the current study. Ages ranged from 62 to 85 years (mean 72.6 years). Clinically complete resolution of the actinic damage in the treated area was detected in 72.2% of lesions. Furthermore, 28 lesions (26%) showed a reduction of the AK grade, or partial response, after the therapy. Most of the patients experienced annoying but short pain during the procedure. However, late adverse effects of the therapy, such as hypopigmentation, hyperpigmentation and erythema were reported only in a small portion of the lesions. <b><i>Conclusions:</i></b> 20-MHz HIFU could be an effective and safe alternative treatment for AK.

scholarly journals Magnetic Resonance-Guided High-Intensity Focused Ultrasound (MR-HIFU): Overview of Emerging Applications (Part 2)

2019 ◽  
Vol 191 (06) ◽  
pp. 531-539 ◽  
Author(s):  
Florian Siedek ◽  
Sin Yuin Yeo ◽  
Edwin Heijman ◽  
Olga Grinstein ◽  
Grischa Bratke ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Magnetic Resonance ◽  
High Intensity ◽  
Focused Ultrasound ◽  
Treatment Options ◽  
Local Treatment ◽  
Review Literature ◽  
High Intensity Focused Ultrasound ◽  
Malignant Tissue ◽  
Safe Alternative

Background High-intensity focused ultrasound (HIFU) allows noninvasive heating of deep-seated tissues. Guidance under magnetic resonance imaging (MR-HIFU) offers spatial targeting based on anatomical MR images as well as MR-based near-real-time temperature maps. Temperature feedback allows delivery of a well-defined thermal dose enabling new applications such as the ablation of malignant tissue. Methods Peer-reviewed publications on MR-HIFU were studied and are summarized in this review. Literature was restricted to applications in oncology. Results Several MR-HIFU-based applications for the treatment of malignant diseases are currently part of clinical trials or translational research. Recent trials regarding the treatment of prostate cancer with MR-HIFU have already shown this to be a safe and patient-friendly method. For the treatment of breast cancer and malignancies within abdominal organs, MR-HIFU has been applied so far only in proof of concept studies. Conclusion MR-HIFU is currently being investigated for the ablative treatment of malignant tissue in a variety of oncological applications. For example, the transrectal as well as transurethral ablation of prostate cancer using MR-HIFU was shown to be a patient-friendly, safe alternative to other local treatment options with low side effects. Key points:  Citation Format

scholarly journals High-intensity focused ultrasound for treatment of recurrent uterine leiomyosarcoma: a case report and literature review

2020 ◽  
Vol 48 (10) ◽  
pp. 030006052094210
Author(s):  
Junyan Li ◽  
Xuejun Chen ◽  
Xiaoye Hu
Keyword(s):  
Case Report ◽  
Literature Review ◽  
Treatment Strategy ◽  
High Intensity ◽  
Poor Prognosis ◽  
Focused Ultrasound ◽  
High Intensity Focused Ultrasound ◽  
High Recurrence Rate ◽  
Uterine Leiomyosarcoma ◽  
New Treatment

Uterine leiomyosarcoma has the characteristics of high malignancy, a poor prognosis, and a high recurrence rate. Surgery is the main treatment option, supplemented by chemotherapy and radiotherapy. We report on a patient with recurrent uterine leiomyosarcoma who was treated with high-intensity focused ultrasound combined with chemotherapy. Tumor growth was controlled and the patient’s survival time was prolonged. High-intensity focused ultrasound combined with chemotherapy may thus provide a new treatment strategy for patients with recurrent and surgically difficult uterine leiomyosarcoma.

260: High Intensity Focused Ultrasound Combined with Endocrine Therapy in Treating High or Intermediate Risk Prostate Cancer

2006 ◽  
Vol 175 (4S) ◽  
pp. 86-86
Author(s):  
Makoto Sumitomo ◽  
Junichi Asakuma ◽  
Yasumasa Hanawa ◽  
Kazuhiko Nagakura ◽  
Masamichi Hayakawa
Keyword(s):  
Prostate Cancer ◽  
Endocrine Therapy ◽  
High Intensity ◽  
Focused Ultrasound ◽  
High Intensity Focused Ultrasound ◽  
Intermediate Risk ◽  
Risk Prostate Cancer

1400: Early Clinical Experience Using High-Intensity Focused Ultrasound for the Treatment of Renal Tumours

2005 ◽  
Vol 173 (4S) ◽  
pp. 379-380
Author(s):  
James E. Kennedy ◽  
Rowland O. Illing ◽  
Feng Wu ◽  
Gail R. ter Haar ◽  
Rachel R. Phillips ◽  
...  
Keyword(s):  
Clinical Experience ◽  
High Intensity ◽  
Focused Ultrasound ◽  
High Intensity Focused Ultrasound ◽  
Early Clinical Experience ◽  
Renal Tumours

Das Prostatakarzinom: aktuelle Diagnostik und Therapiestandard

Praxis ◽  
2016 ◽  
Vol 105 (16) ◽  
pp. 971-977
Author(s):  
Jan Brachlow ◽  
Martin Kälin ◽  
Marco Randazzo ◽  
Beat Förster ◽  
Hubert John
Keyword(s):  
High Intensity ◽  
Focused Ultrasound ◽  
High Intensity Focused Ultrasound ◽  
Psa Test ◽  
Eine Hohe ◽  
Psa Screening ◽  
Sekundäre Hormontherapie

Zusammenfassung. Das Prostatakarzinom zeigt eine hohe Prävalenz und ist daher für die behandelnden Ärzte medizinisch, aber auch gesundheitspolitisch relevant. PSA-Screening senkt die karzinomspezifische Mortalität, ist jedoch aufgrund der hohen Prävalenz mit einer Überdiagnostik verbunden. Dies fordert im Gegenzug einen verantwortungsbewussten Umgang mit dem PSA-Test («smarter screening»). Durch die robotergestützte Prostatektomie steht eine Therapie mit geringer Morbidität zur Behandlung des lokalisierten Prostatakarzinoms zur Verfügung. Das fokale Behandlungskonzept der HIFU (high-intensity focused ultrasound) ist vielversprechend, jedoch noch klinisch experimentell und sollte im Rahmen von Studien angeboten werden. Die Behandlungsmöglichkeiten beim metastasierten Prostatakarzinom wurden entscheidend vervielfältigt. Chemotherapie und die sekundäre Hormontherapie werden voraussichtlich vermehrt in früheren Phasen der Krankheit eine Rolle spielen, wodurch die Therapie für den einzelnen Patienten immer komplexer wird und individuell angepasst werden muss.

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