Furuncular Myiasis Affecting the Lower Lip of a Young Patient

Abstract

Furuncular myiasis is a parasitic infection caused by the larvae of Dipteran insects after penetrating healthy skin, causing an erythematous nodule with a central pore. Additionally, the patient may feel a sensation of movement and intermittent pain. Furuncular myiasis affecting the oral and perioral region is rare, usually leading to misdiagnosis. This paper describes a rare case of furuncular myiasis in a 20-year-old healthy male patient who presented an erythematous nodule in the lower lip. An exploratory surgery was indicated for both diagnostic and curative purposes, with successful healing observed in the following appointment. After 3 years of follow-up, the patient is recovered, with no clinical signs or symptoms of the disease.

Oral myiasis: Analysis of cases reported in the English literature from 1990 to 2020

“…Efforts were made to contact the authors of three studies; however, their articles could not be retrieved 17–19 . A total of 122 articles reporting 157 cases of oral myiasis were selected 2,5–14,16,20–129 …”

“…The articles were from India, 7,9,11,13,21,23,24,29,30,32–35,38, 41,45,50–52,65,66,68,70,71,73–76,82,87,91,93,99,100,105–110,113,116–118,120–122, 126,127,129 Brazil, 2,8,10,12,14,16,20,22,31,36,43,44,47–49,57–60,69,77–79,81, 84,85,90,92,95,101,102,104,112,115,123,125 Turkey, 6,28,37,42,54,61,62,124,128 Iran, 26,63,80,103,111 China, 39,40,88,96,119 Malaysia, 64,98 Colombia, 53 Israel, 5 Oman, 25 Yemen, 27 Czech Republic, 46 The Netherlands, 55 Italy, 97 USA, 56 UK, 86,89 Spain, 94 South Korea, 67 Pakistan, 72 Bangladesh, 114 and Mexico 83 (Figure 1).…”

“…Fifty (51.6%) studies 5,10,13,23,25,28,33,36,37,40,47–49,52,53,56,57,59,60, 62,65,67,73,77,81,83,87,89,100,101,108,109,111,113,114,125,126,127,129 revealed that the individual had no sequelae. Of the studies reporting sequelae in the affected individuals, the main ones were: evolution to death in the presence of other underlying diseases (21.6%), 6,13,14,22,26,31,39,41,42,79,85,88,95,102,115,123,128 tooth loss (8.2%), 11,50,64,68,70,75,106 bone defects (5.1%), 2 unsatisfactory and unsightly healing (4.1%), 20,78,86,96 maxillectomy (2.0%), 82,99 hearing loss (2.0%), 2 blindness (2.0%), 2 oroantral communication (1.0%), 2 irreversible injury to the salivary gland (1.0%), 2 and paresthesia (1.0%) 8 .…”

“…This condition is more frequent in tropical and subtropical regions, mainly in developing countries 1,9,10 . Male sex is the most prevalent, a fact mainly explained by outdoor activities and neglect in terms of personal hygiene when compared to women 11 .…”