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Objectives: To study the clinical profile and the route of spread of lacrimal sac rhinosporidiosis. To device a standard transnasal endoscopic surgical procedure in the treatment of lacrimal sac rhinosporidiosis., Methods: This is a retrospective analysis of a case series on lacrimal sac rhinosporidiosis. Thirteen cases of lacrimal sac rhinosporidiosis reported in our institution from July 2003 to July 2016 were included. Workup included diagnostic nasal endoscopy and lacrimal syringing. All patients underwent transnasal endoscopic excision of rhinosporidiosis., Results: Lacrimal sac rhinosporidiosis was more prevalent among males and in the 31 to 40 years age group. All patients had a history of bathing in stagnant water bodies. The most common clinical presentation was a doughy swelling medial to the medial canthus. Lacrimal sac rhinosporidiosis invariably presented with involvement of the nasolacrimal duct. Following the endoscopic excision of lacrimal sac rhinosporidiosis, all patients were followed up for a mean period of 16 months, and only one patient had recurrence., Conclusion: A unique aspect of our case series is that patients presented with features pertaining to isolated lacrimal system involvement rather than sinonasal involvement. Involvement of the nasolacrimal duct and nasal cavity without involvement of the eyes in all cases confirms the retrograde spread of rhinosporidiosis from the nasal cavity into the lacrimal sac via the nasolacrimal duct as the most common route of spread of infection. We recommend that endoscopic dacryocystorhinostomy, along with nasolacrimal duct excision used for surgical management in our case series with superior results, must become the standard of care in treatment of this condition., Level of Evidence: 4 Laryngoscope, 128:2693-2696, 2018., (© 2018 The American Laryngological, Rhinological and Otological Society, Inc.)

Thelazia callipaeda or the oriental eye worm infects a wide variety of hosts including dogs, cats, foxes, rabbits, and humans through the Drosophila flies. We report here a case of a 42-year-old female who presented with pain, redness, and cystic swelling in the right lacrimal sac area for 8 months. Ocular examination was within normal limits. Excision biopsy of the cyst revealed a live worm. In humans, the worm is usually found in the conjunctival sac, lacrimal canaliculi, or the lacrimal sac leading to a disease which can be subclinical or symptomatic. Thus, we report a rare presentation of thelaziasis, that is, periocular involvement. This case presentation is first of its kind in the Indian literature., Competing Interests: There are no conflicts of interest

This article reports a presentation of lacrimal sac rhinosporidiosis and informs the reader of this uncommon but important diagnosis. A 36-year-old man from Pakistan presented with a 3-month history of swelling at the nasal aspect of the left lower lid. This was associated with occasional crepitus and slight localised discomfort, but no epiphora. There was a palpable fullness near the left medial canthus associated with telecanthus but a normal sac washout and normal eye examination otherwise. Previous medical history included an ipsilateral nasal polypectomy and inferior meatal antrostomy around 10 years previously, whilst living in Pakistan. Various imaging modalities were useful in identifying a soft tissue mass within the left nasolacrimal duct. Following excision biopsy, histological examination confirmed the presence of rhinosporidiosis, likely caused by the organism Rhinosporidium seeberi. Rhinosporidiosis should be considered as a potential cause in any case of lacrimal sac pathology. Imaging studies may be helpful in measuring the extent of disease, although histological examination is required to confirm the diagnosis. Although rare, the complications of rhinosporidiosis can be potentially blinding or fatal. As discussed in this case, the presence of telecanthus may represent a lacrimal system tumour, either malignant or benign, and should always prompt further investigation.

Rhinosporidium seeberi , till recently known as a fungus, has been reclassified as a protistan parasite. It infects humans and many animal species. The authors describe a rare case of oculosporidiosis with involvement of the lacrimal sac exhibiting features of idiopathic orbital inflammatory disease in a young male patient. Clinical features, pathophysiology, and management of lacrimal sac rhinosporidiosis have been discussed.

Rhinosporidiosis is a chronic infection caused by the organism Rhinosporidium seeberi. It is endemic in parts of southern India and Sri Lanka, but rarely seen outside these areas. The infection predominantly affects the nasal mucosa; however, it can also affect the ocular surface and adnexa. We present a case of rhinosporidiosis initially involving the lacrimal sac, with recurrence in the periocular subcutaneous tissues, nasolacrimal duct and nasopharynx.

Ascariasis is caused by the roundworm, Ascaris lumbricoides. We report an additional case of live Ascaris lumbricoides removed from the lacrimal puncta of a 10-year-old boy.

Although Ascaris lumbricoides infestation is extremely prevalent in some populations, the nematode is an extremely rare cause of nasolacrimal duct obstruction. Obstruction of the nasolacrimal duct in a 4-year-old Brazilian girl by a young adult A. lumbricoides is reported. In contrast to previously reported cases, the nematode involved the inferior, rather than superior, canaliculus and punctum.