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Nisar Sonam Poonam, Md Shahid Alam, Dipankar Das, Jyotirmay Biswas
Purpose: To report a rare case of solitary eyelid neurofiboma presenting as tarsal cyst. Observation: A 64 year old male, presented with a painless, non progressive swelling in the right upper eye lid. Examination revealed a non tender, firm, mass adherent to the underlying tarsus. Excision via a conjunctival approach was performed and the histopathology was suggestive of neurofibroma. Immunohistochemistry was positive for Vimentin and focally positive for S-100...
June 2018: American Journal of Ophthalmology Case Reports
Gianandrea Salerno, Manuela Rebora, Alexander Kovalev, Elena Gorb, Stanislav Gorb
The tarsal attachment devices of the southern green stink bug Nezara viridula, a cosmopolitan pest of different crops, encompass a pair of claws, distal pretarsal smooth pulvilli, and a proximal hairy pad on the ventral basitarsus. To evaluate the role of these attachment devices in generating attachment, behavioural experiments testing locomotion of insects with ablated pulvilli, shaved hairs and cut-off claws were performed. Using traction force experiments, insect attachment performance was evaluated on artificial substrates characterised by different roughness and on two substrates with different surface energies in the air and under water...
May 17, 2018: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
Bahram Eshraghi, Hadi Ghadimi
PURPOSE: To determine the rate of success of small-incision levator resection technique for correction of congenital ptosis. METHODS: Patients with congenital ptosis who were candidates for levator resection were enrolled if their levator function was not poor (< 5 mm). Incisions were made on upper eyelid crease with a length of 10-12 mm. After resection of adequate length of levator muscle, two sutures were used to fix it to tarsal plate. Sliding the incision to medial and lateral sides provided a wider field of access to allow the surgeon to place the sutures above nasal and temporal borders of limbus...
May 9, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
Nahyoung Grace Lee, Larissa Habib, Jonathan Hall, Suzanne K Freitag
PURPOSE: To report a simple, highly effective technique of simultaneous transconjunctival repair of upper and lower eyelid retraction in patients with thyroid eye disease (TED). METHODS: A retrospective interventional case review was conducted on 22 eyes of 19 TED patients. The lower eyelid was recessed with placement of a tarsoconjunctival spacer graft harvested from the upper eyelid. The upper eyelid was then recessed through the conjunctival incision used to harvest the tarsal graft...
May 9, 2018: Orbit
Ajoy Sodani, Mukesh Dube, Rahul Jain
Background: Nerve conduction studies are considered to be the gold standard for diagnosing secondary tarsal tunnel syndrome (s TTS), but their utility in the diagnosis of idiopathic tarsal tunnel syndrome (i TTS) is largely unknown. Objective: We sought to investigate the value of motor nerve conductions studies (MNCS) in the diagnosis of clinically suspected i TTS. Materials and Methods: Twenty-six (52 limbs) adult patients of clinically suspected i TTS were subjected to motor nerve conductions of posterior tibial nerve, and its branches and motor conduction parameters were compared with those of 45 healthy controls...
January 2018: Annals of Indian Academy of Neurology
Sha Chen, Shi-Wo Deng, Chungkun Shih, Wei-Wei Zhang, Peng Zhang, Dong Ren, Yi-Ning Zhu, Tai-Ping Gao
Many extant insects have developed pad structure, euplantulae or arolia on their tarsi to increase friction or enhance adhesion for better mobility. Many polyneopteran insects with euplantulae, e.g., Grylloblattodea, Mantophasmatodea and Orthoptera, have been described from the Mesozoic. However, the origin and evolution of stick insect's euplantulae are poorly understood due to rare fossil records. Here, we report the earliest fossil records of Timematodea hitherto, Tumefactipes prolongates gen. et sp. nov...
April 27, 2018: Insect Science
Rod J Rohrich, Nathaniel L Villanueva, Paul N Afrooz
Periorbital tissues are a keystone in facial beauty and a representation of youth. The aesthetically pleasing and youthful upper eyelids are full, with a defined tarsal upper lid crease and with smooth, taut pretarsal and preseptal skin. The upper blepharoplasty is a critical component of any facial rejuvenation procedure. This five-step procedure provides key steps in the correction of upper lid age-related changes and provides a reliable and reproducible method of achieving excellent results. Furthermore, the addition of fractionated fat restores volume and youthfulness of the upper lid, and also improves the skin quality of the upper lid...
May 2018: Plastic and Reconstructive Surgery
Dario E Cardozo, Martin O Pereyra
A new species of Physalaemus from Misiones province, Argentina, in the Atlantic forest domain is described. The new species is a member of the P. gracilis group, based on its phylogenetic position and the occurrence of a putative morphological synapomorphy (occurrence of an unpigmented median stripe on throat, chest, and/or abdomen). Physalaemus sp. nov. is characterized by a long advertisement call composed of non-pulsed notes with slightly descendant modulation, large size (mean SVL = 32.0 mm males, 34.0 mm females), slender body aspect, head longer than wide, supratympanic fold developed, an unpigmented median stripe on venter, medium sized inguinal glands, tarsal tubercle present, and supernumerary tubercles on hands and feet, which are character states that combined distinguish the new species from all the members of the genus...
February 27, 2018: Zootaxa
Alexandre Salgado, Gustavo R S Ruiz
Two new species of Neonella Gertsch, 1936 from Brazil are described: N. gyrinus sp. nov. (♂) from Caseara, state of Tocantins, and N. choanocytica sp. nov. (♂♀) from Piracuruca, state of Piauí. Since N. choanocytica is one of the smallest species of jumping spiders, detailed description of its tarsal tuft and spinnerets is given for future comparison. New records of N. salafraria Ruiz and Brescovit, 2004 are provided.
March 16, 2018: Zootaxa
Victor G D Orrico, Iuri R Dias, Euvaldo Marciano-Jr
A new species of the genus Phyllodytes is described from the State of Bahia, in the Atlantic Rain Forest of Northeastern Brazil. Phyllodytes praeceptor sp. nov. can be differentiated from other species of Phyllodytes by its medium size (SVL 20.7-25.8 mm in males); odontoids moderately developed; vocal sac externally visible; eyes large and prominent; dorsum homogenously cream, except for a few scattered spots and blotches; venter areolate with two parallel, paramedial lines of larger tubercles; few tubercles in the ventral surface of thighs, the largest being the medial one; a large tubercle on the skin around the tibio-tarsal articulation; nuptial pad rounded and moderately expanded...
April 9, 2018: Zootaxa
Cristian E Granados Martinez, Lucimar Gomes Dias, Carlos Molineri
Tricorythodes macuira sp n. is described and illustrated based on nymphs of both sexes and eggs from Colombia. This species can be recognized by the following combination of characters: maxillary palp 2-segmented and small, pronotum with rounded anterolateral projection, pronotum and mesonotum with thick and long setae on margins, femora I and II with transverse row of long setae at dorsum, tarsal claws with marginal row of 5-8 denticles and subdistal double row of 4-2 + 1-2 submarginal denticles, subtriangular operculate gills shaded black on a basal stripe, ventralmost lamellae of gills III-V with dorsal extension very well developed, abdominal segments VII-IX with small posterolateral spines...
February 2, 2018: Zootaxa
Fernando J M Rojas-Runjaic, Edwin E Infante-Rivero, Patricia E Salerno, Fabio Leonardo Meza-Joya
A new species of Hyloscirtus, belonging to the H. bogotensis species Group, is described from the Venezuelan and Colombian slopes of the Sierra de Perijá. The new species can be readily distinguished from its congeners by the combination of the following characters: mental gland present, disc-shaped and small; ulnar, outer, and inner tarsal folds present; calcar tubercle absent; whitish stripes on external border of upper eyelids and supratympanic folds, longitudinally on the mid-dorsum, on supracloacal fold, outer ulnar folds, inner and outer tarsal folds, and also on dorsal internal surface of shanks...
February 20, 2018: Zootaxa
Shannon M Smith, Deborah S Kent, Jacobus J Boomsma, Adam J Stow
The lifetime monogamy hypothesis claims that the evolution of permanently unmated worker castes always requires maximal full-sibling relatedness to be established first. The long-lived diploid ambrosia beetle Austroplatypus incompertus (Schedl) is known to be highly social, but whether it has lifetime sterile castes has remained unclear. Here we show that the gallery systems of this beetle inside the heartwood of live Eucalyptus trees are always inhabited by a single core family, consisting of a lifetime-inseminated mother, permanently unmated daughter workers, and immatures that are always full siblings to each other and their adult caretakers...
April 23, 2018: Nature Ecology & Evolution
Önder İsmet Kılıçoğlu, Ahmet Salduz, Fevzi Birişik, Fuat Bilgili, Gökhan Polat, İlyas Kaya, Funda Süleyman, Murat Coşkun
Spastic peroneal flatfoot (SPFF) is a rare hindfoot pathology usually seen in the adolescent age group that is characterized by painful spasms in the peroneal muscles. We have clinically observed that patients with SPFF also have some behavioral and emotional difficulties and problems in their academic achievements. Because of these observations, we investigated the prevalence and patterns of psychiatric disorders and intellectual disability among young subjects with SPFF. Our cohort consisted of 16 patients with SPFF...
May 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
Natsuki Monai, Reiko Tanabu, Takayuki Gonome, Katsunori Yokoi, Satoshi Urushidate, Satoko Morohashi, Hideaki Hirai, Akira Kurose, Mitsuru Nakazawa
Purpose: To report a case of recurrent conjunctival papillary sebaceous carcinoma that was successfully treated by a combination of surgical resection, intraoperative topical mitomycin C application, and cryotherapy. Observations: A woman in her 80s developed a yellowish papillary tumor pedunculated from the surface of the upper palpebral tarsal conjunctiva in her left eye. She was histopathologically diagnosed as having sebaceous carcinoma by an excisional biopsy...
January 2018: Case Reports in Ophthalmology
Marcello Lughi
Ankle sprain can cause injuries to the anatomic structures surrounding the tibiotarsal joint. A possible extra-articular pathology is to be hypothesized and diagnosed as early as possible. The subtalar joint, for anatomical and functional reasons, is one of the most damaged joints following an ankle sprain. In spite of this, its involvement is often underestimated. The clinical case presented in the present article is referred to a giant cells osseous tumor in the tarsal canal that was diagnosed 2 months after an inversion ankle sprain...
March 2018: Joints
K Deschamps, F Staes, M Eerdekens, K Peerlinck, C Hermans, J Vandesande, S Lobet
BACKGROUND: The aim of this study was to determine whether young haemophilic boys with and without MRI-based signs of ankle arthropathy demonstrate reduced balance ability during a transition task with eyes open and eyes closed. METHODS: Thirty-four haemophilic bodies and 28 typically developing boys aged 6-20 years participated to this study. Structural integrity of the tarsal foot joints of all haemophilic boys was assessed with MRI. All participants performed a standard transition task from double-leg stance to single-leg stance with eyes open and eyes closed...
April 19, 2018: Haemophilia: the Official Journal of the World Federation of Hemophilia
Hamzah Mustak, Michael Rafaelof, Robert Alan Goldberg, Daniel Rootman
Background: Lid margin asymmetry and its associated compensatory mechanisms might cause patients to seek treatment to improve aesthetics. Surgery might not be indicated and can potentially worsen the asymmetry in these cases. Methods: A case series of three patients was organized to illustrate the use of botulinum toxin administered to the pre-tarsal orbicularis for the correction of micro-ptosis and improved symmetry. The marginal reflex distance and tarsal platform show were measured on both sides. Measurements were made using ImageJ software on standardized frontal photographs taken pre- and post-injection...
April 2018: Journal of Clinical and Aesthetic Dermatology
David Baracchi, Elisa Rigosi, Gabriela de Brito Sanchez, Martin Giurfa
Lateralization is a fundamental property of the human brain that affects perceptual, motor, and cognitive processes. It is now acknowledged that left-right laterality is widespread across vertebrates and even some invertebrates such as fruit flies and bees. Honeybees, which learn to associate an odorant (the conditioned stimulus, CS) with sucrose solution (the unconditioned stimulus, US), recall this association better when trained using their right antenna than they do when using their left antenna. Correspondingly, olfactory sensilla are more abundant on the right antenna and odor encoding by projection neurons of the right antennal lobe results in better odor differentiation than those of the left one...
2018: Frontiers in Psychology
Raj Dedhia, Tsung-Yen Hsieh, Oliver Chin, Taha Z Shipchandler, Travis T Tollefson
Importance: In the setting of facial paralysis, inadequate eyelid closure and lower eyelid ectropion can lead to corneal exposure and impaired quality of life. Repair of paralytic ectropion is challenging, and an ideal surgical approach for all cases has not been identified. Objective: To assess the patient-reported outcomes and eyelid position improvement in patients with flaccid facial paralysis undergoing lateral eyelid coupling with a tarsal strip canthoplasty and modified tarsoconjunctival flap to correct eyelid malposition...
April 5, 2018: JAMA Facial Plastic Surgery
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