• Title/Summary/Keyword: Lympha

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Adding to the freshwater red algal diversity in North America: Lympha mucosa gen. et sp. nov. (Batrachospermales, Rhodophyta)

  • Evans, Joshua R.;Chapuis, Iara S.;Vis, Morgan L.
    • ALGAE
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    • v.32 no.3
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    • pp.171-179
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    • 2017
  • The strictly freshwater red algal order Batrachospermales has undergone numerous taxonomic rearrangements in the recent past to rectify the paraphyly of its largest genus Batrachospermum. These systematic investigations have led to the description of new genera and species as well as re-circumscription of some taxa. Specimens collected from two locations in the southeastern USA were initially identified as being allied to Batrachospermum sensu lato, but could not be assigned to any recognized species. Representative rbcL (plastid) and COI-5P (mitochondrion) sequences showed these specimens to be similar to each other and not closely matching the previously published sequence data for other Batrachospermum taxa. Comparison of sequence variation and morphology with a broader range of batrachospermalean taxa resulted in the proposal of a new monotypic genus Lympha mucosa gen. et sp. nov. to accommodate these specimens. Lympha mucosa is sister to members of a newly described genus Volatus, but the two genera are easily distinguished based on straight versus curved, twisted or spirally coiled carpogonial branch, respectively. This new taxon has morphological similarities to Batrachospermum sections Turfosa and Virescentia, but can be differentiated based on genetic divergence in rbcL and COI-5P as well as a combination of morphological characters: dense, compressed whorls, axial carposporophytes with a single type of gonimoblast filament; cortication of the main axis closely appressed; and short, straight carpogonial branch arising from the pericentral cell and carpogonia with unstalked, lanceolate trichogynes. This new taxon adds to the freshwater red algal diversity of the southeastern USA, a region already known for biodiversity and high endemism of the aquatic flora and fauna. It is also a relevant new addition to the taxonomic knowledge of the freshwater red algal Batrachospermales.

Distally Based Lymphatic Microsurgical Preventive Healing Approach-A Modification of the Classic Approach

  • Allen Wei-Jiat Wong;Nadia Hui Shan Sim;Coeway Boulder Thing;Wenxuan Xu;Hui Wen Chua;Sabrina Ngaserin;Shermaine Loh;Yee Onn Kok;Jia Jun Feng;Tan Woon Woon Pearlie;Benita Kiat-Tee Tan
    • Archives of Plastic Surgery
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    • v.51 no.5
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    • pp.504-509
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    • 2024
  • The treatment of breast cancer has seen great success in the recent decade. With longer survivorship, more attention is paid to function and aesthetics as integral treatment components. However, breast cancer-related lymphedema (BCRL) remains a significant complication. Immediate lymphatic reconstruction is an emerging technique to reduce the risk of BCRL, the Lymphatic Microsurgical Preventive Healing Approach (LYMPHA) being the most widely used approach. Despite promising results, it is often difficult to find suitably sized recipient venules and perform the micro-anastomoses between mismatched vessels deep in the axilla. Moreover, high axillary venous pressure gradients and potential damage from radiotherapy may affect the long-term patency of the anastomoses. From an ergonomic point of view, performing lymphaticovenular anastomosis in the deep axilla may be challenging for the microsurgeon. In response to these limitations, we modified the technique by moving the lymphatic reconstruction distally-terming it distally based LYMPHA (dLYMPHA). A total of 113 patients underwent mastectomy with axillary clearance in our institution from 2018 to 2021. Of these, 26 underwent subsequent dLYMPHA (Group 2), whereas 87 did not (Group 1). In total, 17.2% (15 patients) and 3.84% (1 patient) developed BCRL in Groups 1 and 2, respectively (p = 0.018). Lymphatics and recipient venules suitable for anastomoses can be reliably found in the distal upper limb with better size match. A distal modification achieves a more favorable lymphaticovenular pressure gradient, vessel match, and ergonomics while ensuring a comparably low BCRL rate.

Primary Malignant Lymphoma of Lung -A Case Report- (원발성 악성 폐 임파종 -수술 치험 1례-)

  • 전홍주;김병훈;류지윤
    • Journal of Chest Surgery
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    • v.31 no.8
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    • pp.820-822
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    • 1998
  • Primary malignant lymphoma of lung is a very rare disease, only 0.34% of all malignant lymphomas. In our case, a 76 year old male patient had a solitary mass without lympha- denopathy at chest CT scan. He underwent right middle lobectomy through a posterolateral thoracotomy incision. Pathologic study confirmed a diagnosis of malignant lymphoma and chemotherapy was started by an oncologist.

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Fine Needle Aspiration Cytopathology of Pediatric Lympha denopathy among Sudanese Children

  • Ahmed, Hussain Gadelkarim;Elmubasher, Maysa Badawi;Salih, Rashid Awad Abdallah;Elhussein, Gamal Eldin Mohamed Osman;Ashankyty, Ibraheem Mohmmed Alamin
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.7
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    • pp.4359-4363
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    • 2013
  • Background: Pediatric lymphadenopathy is a challenging medical situation for the child patient, the parents, and the physician. Although the bulk of masses will be benign the fear of malignancy is omnipresent. Therefore, the objective of this study was to identify the common cytopathological patterns of lymphadenopathy among Sudanese children. Methods: One hundred pediatric patients presenting with peripheral lymphadenopathy were included in the study, their ages ranging from 2 to 14 years, with a mean age of 7 years. Demographic characteristics, clinical manifestations and FNA materials were prospectively obtained. Results: FNA was performed in 100 cases (100%). There were no technical complications. All cases confirmed adequacy of specimen. Overall, FNA demonstrated 90 (90%) benign lesions and 10 (10%) malignant diagnosis. The benign lesions were reactive lymphoid hyperplasia (n=64), followed by benign granulomatous disease (n=26). Of the 10 cases diagnosed with malignancy, 7 (7%) were cases of non-Hodgkin`s lymphoma and the remaining 3 (3%) were Hodgkin's lymphomas. Conclusion: Pediatric lymphadenopathy is common in Sudan. CLA is the common frequent site. Lymphoma represents a major challenge in this setting.

Effect of Sequential Intermittent Pneumatic Compression for Lymphedema (임파부종 환자의 간헐적 공기압박 치료의 효과)

  • Kim, Seng-Jung;Rhee, Hyeon-Sook;Kim, Soon-Hee
    • Journal of Korean Physical Therapy Science
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    • v.5 no.2
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    • pp.595-602
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    • 1998
  • The purpose of this study was to investigate the effect of sequential intermittent pneumatic compression in patients with lymphedema who were hospitalized for three days at Samsung Medical Center. Thirty-three subjects with lymphedema was selected by physician referral. A selection of the patients was made according to the following criteria : 1) no known metastases, 2) no infection after the a difference of at least 10% in the volumes of edematous limb. All patients were treated with the Lympha-Press(Model 103-A). Circumferential limb mesurements was done before and after a 3-day treatment period. As a result of sequential intermittent pneumatic compression therapy. All extremity showed a decrease in circumferential measurements with the maximal reduction occurring at the wrist(55.75 %) for the upper extremities and at the lower 1/3 of calf (40.61%) for the lower extremities. Upper extremity arm was reduced by 42.1% and lower extremity leg by 33.61%. In contrast with this, the proximal levels of arm patients and leg showed comparatively poor reduction than distal levels. Almost 44.44% of arm patients and 5.26% of leg patients experienced significant reduction(> 50%) after compression therapy. These data clearly indicates that Sequential Intermittent Pneumatic Compression Therapy was effective treatment for reducing of extremity volume in patients with lymphedema. but this was variable degree and dependent on the amount of pre-existing lymphedema. Other factors such as duration of edema, etiology, previous history of radiology, age did not appear to influence the extend of improvement. Further sutdies will be necessary to determine long term benefit of this therapy.

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