Li Shi Zhen
Li Shi Zhen, Chinese herbalist and therapist (Qizhou, Qichun County, Hubei Province 03 July 1518 – 1593) Authored Pen Ts’ao Kang Mu (Compedium of Materia Medica) in which described 1892 medicinal products derived from plants, animals and minerals. This book was translated to many languages such as Japanese, Russian, German, French and English HONORS Lishizhenia Lau, Ren, Wai et al. 2006 (Marine Bacteria)
Lemos Torres family
Alvaro de Lemos Torres, Brazilian physician (Rio de Janeiro 15 April 1884 – São Paulo 18 January 1942) Described Lemos Torres sign Sobre um novo signal de derrame pleural. O Hospital 36(4):597-603, 1929 Created Lemos Torres technique or extended hand technique for palpation of liver His son, Ulysses Lemos Torres, surgeon (Avaré, São Paulo State 20 October 1911 – São Paulo 02 April 1982) Developed a method for spleen palpation Um método de palpação do baço. O Hospital 24(1), 1943 Um novo sinal de ascite; técnica de percussão palpatória para pesquisa de líquido na cavidade abdominal. O Hospital 72(5):1335-46, 1967 Lemos Torres-Degni technique for treatment of portal hypertension With M. Degni. Rational basis of a new technique for the treatment of portal hypertension. Bull. Soc. Internat. Chir. 22:3, 1963. With M. Degni. Bases de uma nova técnica de desconexão azigos-porta radical para tratamento da hipertensão portal (operação de Lemos Torres-Degni). Rev. Bras. Cardiovasc. 3(2):103-8, 1967 Bases fisiopatológicas de uma nova orientação cirúrgica para o tratamento da síndrome de hipertensão portal. Rev. Bras. Cardiovasc. 3(2):101-2, 1967 Métodos cirúrgicos no tratamento da síndrome de hipertensão portal apreciados por um clínico: reformulação de conceitos e propositura de uma nova orientação cirúrgica. Arqu. Med. Hosp. Fac. Ciencias Med. Santa Casa S. Paulo 9:23-43, 1963 Síndrome de hipertensão portal. Nova conceituação e orientação terapêutica. Ars Curan 1(1):41-5, 1968 Técnica e tática no tratamento da esquistossomose mansonica. O Hospital 57(4):649-57, 1960
Legrand family
Enrique Legrand Carriguisi, Uruguayan poet, astronomer and mathematician (Montevideo 12 August 1861 – Montevideo 23 October 1936) Authored 22 works and scientific publications Calculated the orbit of Viscara comet (1901) Invented a system of repeating prisms applied to sextants Prismes réiterateurs appliqués au sextant (1898) Developed a graphical method for predicting Sun occultations and eclipses Método grafico para la predicción de ocultaciones y eclipses de Sol (1906) OTHER CONTRIBUTIONS Loi du rayonemment thermique solaire. Bol. Colegio Pio (1897) Sommations par une formule d’Euler (1911) Sobre Wallis y sus metodos de interpolación y dos formulas para el calculo logarítmico a 4 decimas de las funciones eulerianas (1919) Determinación exacta de la latitud y del tiempo en el sextante (1927) His son, Carlos Maria Diego Enrique Legrand Lasserre, botanist (Montevideo 01 November 1901 – Montevideo 06 December 1982) Gained international recognition on Portulaca genus and Myrtaceae family Described 1 genus, 3 subgenera, 19 sections, 27 subsections, 6 series, 169 species, 2 subspecies, 80 varieties, 10 forms and 11 combinations HONORS Legrandia Kausel 1944 (Myrtaceae) LINKS http://www.mec.gub.uy/munhina/pdf/PE40.pdf (bibliography and taxa)
Leborgne Family
Raul Alfredo Leborgne Fossemale, Uruguayan radiologist (Montevideo 19 April 1907 – 1986) Developed the first method of radiologically guided mammary biopsy (1946) With brother Felix Leborgne created the mammography and the mammograph (1948-9) Discovered radiological signs of mammography Demonstrated that the diagnostic importance of the fine microcalcifications that may be detected radiographically in a high proportion of breast cancers (1951) Described the radiographic differences between benign and malignant calcifications (1935) First to report the significant association of microcalcifications with subclinical carcinoma Described a way to collect the fluid of a breast duct or ductal rinse (1946) First mentioned the idea of studying the breast ducts and their fluid Introduced craniocaudal incidence to the mammography Used the collimating cone to compress the breast Developed new techniques in radiology such as techniques for contrast studies in salivary glands (1947) Proposed the use of the low voltages in radiographies (1949) Introduced low radiation radiology (1953) Anticipated screening Authored The Breast in Roentgen Diagnosis, the first treatise of mammary radiology (1953) Enunciated Leborgne Law “the palpable tumor is bulkier that it seen in the radiography” (1951) EPONYMY Leborgne mammographies Leborgne-Gross method of breast radiography His brother, Felix Enrique Leborgne Fossemale, radiologist (Montevideo 24 January 1904 – 1970) Authored the first work on sentinel ganglion (1954) Nueva tecnica radiologica per cortes o secciones. Anales Ateneo Clin. Quir. (1936) Proposed standardization of radioactive measures in roentgentherapy Reported the first tomographic study in patients with cancer of the larynx and performed the first frontal laringeal tomography (1936) Developed a method for transluminal intubation of esophagus tumor World pioneer in treating laryngeal and uterine cervical cancer creating a radio therapeutic device for treatment of them Developed the first radium isotopic scanner or gamma topograph Constructed a radium “gun” for telecurietherapy (1930) Devised a manual mechanical contraption which permitted making of tomograms with conventional radiodiagnostic equipment (1936) Built dosimetric apparatuses such as the first x-rays pump for external irradiation Designed intrauterine radium applicators An intrauterine “radium holder” tube with drainage fillets An innovative radium kymograph A radium scalpel (the first electric scalpel) A kind of vaginal “radium holder” fórceps The first dosimeter for calibration of nuclear energy sources with therapeutic uses Son of Felix, Felix Leborgne Pueyrredón, radiologist (1935 – Montevideo 01 May 2009) Authored over 150 works Pioneer in the standard use of ultrasonography in mammary diagnosis Developed the first simulator for brachytherapy and 3D conformal radiotherapy WITH HIS BROTHER JOSÉ H. LEBORGNE Introduced the concept of biological effective dose in personal treatment of head and uterine cervix cancer Perfected mammography beyond clinical use of ultrasonography His Montevideo trial about management of non-palpable changes of breast earned international repercussion (1990) independently of Edward Sickles Introduced cytological diagnosis under ecographic control in non-palpable lesions Introduced the pre-surgical hookwiring and the ambulatorial stereotaxic percutaneous biopsies Determinated optimal dosis for radio therapeutic treatment of uterine cervix cancer Brother of Felix, José Honorio Leborgne Pueyrredón, radiologist (March 1938 – See above
Larry Leach
Leslie (Larry) Charles Leach, English-born South African (Southend on Sea, Essex 18 November 1909 – Pietersburg, today Polokwane, Limpopo Province 18 July 1996) Worked in Rhodesia (1938-81) & South Africa (1981-96) DESCRIBED NEW PLANTAE TAXA Asclepiadaceae Orbeanthus 1978 Orbeopsis 1978 Pachycymbium 1978 Euphorbiaceae Endadenium 1973 Species 114 in Aloaceae, Asclepiadaceae and Euphorbiaceae HONORS Larryleachia Plowes 1996 (Asclepiadaceae)
Lane Brothers
John Lane, Brazilian medical entomologist (São Paulo 12 March 1905 – São Paulo 04 January 1963) Son of United States immigrants Authored 152 papers DESCRIBED NEW TAXA Genera ans Subgenera (Diptera) Abmyceta 1955 Antunesmyia 1942 with Cerqueira Aphrastomyia 1949 with Coher Boscmyia 1954 Calliceratomyia 1946 Callicypta 1954 Cruzmyia 1942 with Cerqueira Davismyia 1942 with Cerqueira Edwardsops 1942 Eurypterosyrphus 1947 with Barretto Limamyia 1942 with Cerqueira Lutzomiops 1942 Macfiehelea 1946 Neoditomyia 1958 with Sturm Oromyceta 1955 Schizoceratomyia 1947 with Carrera & Souza Lopes Shannoniana 1942 with Cerqueira Vonplessenia 1942 with Cerqueira Species and subspecies (mainly Diptera) 638 species and 2 subspecies HONORS Johnlaneia Orfila & Schajovsky 1964 (Lepidoptera) Laneella Pinto de Melo 1967 (Diptera) Lanehelea Wirth & Blanton 1972 (Diptera) Lanemyia Barretto 1949 (Diptera) His brother, Frederico Lane, entomologist, ethnographer and folklorist (São Paulo 17 September 1901 – São Paulo 22 September 1979) Authored 101 works Described 91 genera ans subgenera in Coleoptera HONORS Laneius Soares 1942 (Arachnida) Lanesoares Roewer 1949 (Arachnida) Antodilanea Gilmour 1962 (Coleoptera) Fredlanea & Fredlanella Martins & Galileo 1996 (Coleoptera)