Atypical Origin of Lateral Pectoral Nerve: A Case Report
In the present case, two Lateral Pectoral Nerves (LPN) were in the right axilla. The upper branch, superior LPN arose from the proximal part of the axilla deep to the clavicle from the anterior division of the upper trunk. This branch descends medially and enters the deep surface of the pectoralis m...
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JCDR Research and Publications Private Limited
2025-01-01
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| Series: | Journal of Clinical and Diagnostic Research |
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| Online Access: | https://www.jcdr.net/articles/PDF/20526/74890_CE[Ra1]_F(SHU)_PF1(SG_SS_SHU)_redo_PFA(OM)_PN(IS).pdf |
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| author | Bidyarani Devi Loitongbam Anjulata Rai Jyoti Arora Harshika Khatri |
| author_facet | Bidyarani Devi Loitongbam Anjulata Rai Jyoti Arora Harshika Khatri |
| author_sort | Bidyarani Devi Loitongbam |
| collection | DOAJ |
| description | In the present case, two Lateral Pectoral Nerves (LPN) were in the right axilla. The upper branch, superior LPN arose from the proximal part of the axilla deep to the clavicle from the anterior division of the upper trunk. This branch descends medially and enters the deep surface of the pectoralis major muscle. A larger LPN is seen originating from the distal part of the right lateral root of the median nerve at the lower part of the axilla, medial to the third part of the right axillary artery. This inferior LPN is 2 cm long, descends medially, and joins with the Medial Pectoral Nerve (MPN) forming ansa pectoralis. The branches from the ansa pierce the pectoralis minor muscle and enter the pectoralis major muscle. It supplies both the pectoral muscles. LPN fibers passing from the Lateral Cord (LC) through the lateral root of median have not been reported yet. The LPN is the main nerve of pectoralis major muscle. A thorough understanding of Pectoral Nerve (PN) anatomy is a must for surgeons practicing mastectomies, breast augmentation surgery, axillary dissection, harvesting pectoralis major muscle island flap, and dealing with trauma and fracture of the shoulder. |
| format | Article |
| id | doaj-art-c002af5c29f847d7ab1bc457d76188ed |
| institution | Kabale University |
| issn | 2249-782X 0973-709X |
| language | English |
| publishDate | 2025-01-01 |
| publisher | JCDR Research and Publications Private Limited |
| record_format | Article |
| series | Journal of Clinical and Diagnostic Research |
| spelling | doaj-art-c002af5c29f847d7ab1bc457d76188ed2025-01-24T11:42:26ZengJCDR Research and Publications Private LimitedJournal of Clinical and Diagnostic Research2249-782X0973-709X2025-01-011901010210.7860/JCDR/2025/74890.20526Atypical Origin of Lateral Pectoral Nerve: A Case ReportBidyarani Devi Loitongbam0Anjulata Rai1Jyoti Arora2Harshika Khatri3Professor, Department of Anatomy, Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, India.Professor, Department of Anatomy, Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, India.Director, Professor and Head, Department of Anatomy, Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, India.Senior Resident, Department of Anatomy, Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, India.In the present case, two Lateral Pectoral Nerves (LPN) were in the right axilla. The upper branch, superior LPN arose from the proximal part of the axilla deep to the clavicle from the anterior division of the upper trunk. This branch descends medially and enters the deep surface of the pectoralis major muscle. A larger LPN is seen originating from the distal part of the right lateral root of the median nerve at the lower part of the axilla, medial to the third part of the right axillary artery. This inferior LPN is 2 cm long, descends medially, and joins with the Medial Pectoral Nerve (MPN) forming ansa pectoralis. The branches from the ansa pierce the pectoralis minor muscle and enter the pectoralis major muscle. It supplies both the pectoral muscles. LPN fibers passing from the Lateral Cord (LC) through the lateral root of median have not been reported yet. The LPN is the main nerve of pectoralis major muscle. A thorough understanding of Pectoral Nerve (PN) anatomy is a must for surgeons practicing mastectomies, breast augmentation surgery, axillary dissection, harvesting pectoralis major muscle island flap, and dealing with trauma and fracture of the shoulder.https://www.jcdr.net/articles/PDF/20526/74890_CE[Ra1]_F(SHU)_PF1(SG_SS_SHU)_redo_PFA(OM)_PN(IS).pdfaxillabrachial plexusclaviclepectoralis muscle |
| spellingShingle | Bidyarani Devi Loitongbam Anjulata Rai Jyoti Arora Harshika Khatri Atypical Origin of Lateral Pectoral Nerve: A Case Report Journal of Clinical and Diagnostic Research axilla brachial plexus clavicle pectoralis muscle |
| title | Atypical Origin of Lateral Pectoral Nerve: A Case Report |
| title_full | Atypical Origin of Lateral Pectoral Nerve: A Case Report |
| title_fullStr | Atypical Origin of Lateral Pectoral Nerve: A Case Report |
| title_full_unstemmed | Atypical Origin of Lateral Pectoral Nerve: A Case Report |
| title_short | Atypical Origin of Lateral Pectoral Nerve: A Case Report |
| title_sort | atypical origin of lateral pectoral nerve a case report |
| topic | axilla brachial plexus clavicle pectoralis muscle |
| url | https://www.jcdr.net/articles/PDF/20526/74890_CE[Ra1]_F(SHU)_PF1(SG_SS_SHU)_redo_PFA(OM)_PN(IS).pdf |
| work_keys_str_mv | AT bidyaranideviloitongbam atypicaloriginoflateralpectoralnerveacasereport AT anjulatarai atypicaloriginoflateralpectoralnerveacasereport AT jyotiarora atypicaloriginoflateralpectoralnerveacasereport AT harshikakhatri atypicaloriginoflateralpectoralnerveacasereport |