Flora do Rio de Janeiro: Oxalidaceae

Costa, Tiago Souza; Sakuragui, Cássia Mônica; Fiaschi, Pedro

doi:10.1590/2175-7860201970043

Cited by 2 publications

(1 citation statement)

References 9 publications

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“…Only a few studies have investigated the magnitude of hearing loss in specific cases of myringostapediopexy (retraction limited to the posterosuperior region, in which erosion of the long process of the incus and fixation of the affected tympanic segment to the stapes head occurs, regardless of cholesteatoma formation) (15). A study by our research group evaluated conductive hearing loss in 47 ears with this condition (4).…”

Section: Discussionmentioning

confidence: 99%

Audiometric Pattern in Moderate and Severe Tympanic Membrane Retraction

Canali

Rosito

Longo

et al. 2021

Otology &Amp; Neurotology

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Objective:To evaluate the audiometric pattern in moderate/severe retractions of the tympanic membrane and correlate it with the severity of the otoscopy findings.Study Design:Cross-sectional study.Setting:Tertiary hospital.Patients:Consecutive patients with moderate or severe tympanic membrane retraction in at least one ear (451 ears) between August 2000 and January 2019, and no surgical history or effusion (mean [standard deviation] age, 32.8 [20.2] yr; 54% female and 42.4% children).Intervention:Pure-tone audiometry.Main Outcome Measures:Air conduction (AC) and bone conduction thresholds, and air-bone gap (ABG) measured at the four-frequency pure-tone average.Results:The median in decibel hearing level (dB HL) (minimum–maximum) of the AC, BC, and ABG were 25 dB HL (0–120 dB HL), 10 dB HL (0–75 dB HL), and 12.5 dB HL (0–55 dB HL), respectively. Seventy-two percent of the ears had an ABG ≤ 20 dB HL. For severity of the retraction of pars flaccida (PF), the AC, bone conduction, and ABG were similar across groups, with a weak correlation. For the pars tensa (PT), there was a global difference in the medians of AC and ABG in terms of the degree of severity, with a moderate correlation. Retraction in PF and PT at the same time was observed in 6 4% of the ears. ABG median was lower in ears with PF retraction (6.25 dB HL) than PT retraction, isolated (15 dB HL) or not (13.75 dB HL; p < 0.05).Conclusion:The ABG pure-tone average median was higher when PT was involved. We found a significant correlation between the retraction severity and worsening of AC and ABG thresholds, only for PT.

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Section: Discussionmentioning

confidence: 99%

Audiometric Pattern in Moderate and Severe Tympanic Membrane Retraction

Canali

Rosito

Longo

et al. 2021

Otology &Amp; Neurotology

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Macro- and micromorphology reveal four entities in the highly variable Oxalis polymorpha Mart. ex Zucc. (Oxalidaceae)

Richetti

Lima

Fiaschi

et al. 2023

Botany

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Leaf morphoanatomy can provide useful information for the taxonomy of morphologically similar species or the recognition of infraspecific taxa. Here, we evaluated the taxonomic utility of leaf morphological and anatomical characters for the recognition of distinct morphologies currently placed under Oxalis polymorpha Mart. ex Zucc., a highly polymorphic species of Oxalis from the Brazilian Atlantic Forest. We analyzed leaves of 13 specimens gathered from five populations throughout the species' geographic distribution. Leaf samples were analyzed under light and scanning electron microscopy. We observed differences in the leaf blade venation patterns, in the indumentum of petioles and leaf blades, in the pulvinar vascular tissue configuration, and in the midrib tissue organization. The variation in these characters allowed us to recognize four different morphotypes among these samples. These morphotypes are geographically disjunct and differ among each other in additional morphological features, such as leaf arrangement along the stem, leaflet shape, inflorescence position, petal color, and fruit shape. Oxalis polymorpha is a good candidate for investigating if phylogenetic relationships support recognition of each of its morphotypes at the species level.

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Flora do Rio de Janeiro: Oxalidaceae

Cited by 2 publications

References 9 publications

Audiometric Pattern in Moderate and Severe Tympanic Membrane Retraction

Audiometric Pattern in Moderate and Severe Tympanic Membrane Retraction

Macro- and micromorphology reveal four entities in the highly variable Oxalis polymorpha Mart. ex Zucc. (Oxalidaceae)

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