Nasolabial Cyst: A Case Report with Ultrasonography and Magnetic Resonance Imaging Findings

Nasolabial cysts are uncommon nonodontogenic lesions that occur in the nasal alar region. These lesions usually present with asymptomatic swelling but can cause pain if infected. In this case report, we describe the inadequacy of conventional radiography in a nasolabial cyst case, as well as the magnetic resonance imaging (MRI) and ultrasonography (US) findings in a 54-year-old female patient.

Nasolabial Cyst Associated with Odontogenic Infection

The nasolabial cyst or Klestadt cyst is a relatively uncommon nonodontogenic cyst that develops in the nasal alar region; it has uncertain pathogenesis. This lesion has slow growth and variable dimensions and is characterized clinically by a floating tumefaction in the nasolabial fold area around the bridge of the nose, causing an elevation of the upper lip and relative facial asymmetry. Diagnosis is primarily made clinically; if necessary, this is complemented by imaging. This paper reports the case of a 39-year-old male patient who complained of pain in the right upper premolar region and poor aesthetics due to a firm tumor in the right wing of the nose. Initially, this was thought to be due to an odontogenic abscess; however, the differential diagnosis was that a nasolabial cyst was communicating with the apex of teeth 14 and 15. Surgical treatment was carried out, followed by histopathological examination and concomitant endodontic treatment of the teeth involved.

The new synonymy of Horikawaea with Cryptogonium and a proposal of Pseudocryptogonium, gen. nov. (Musci, Pterobryaceae)

Male organs and mature sporophytes of a calciphilous moss previously known as Horikawaea dubia are newly reported and described in detail based on a single specimen collected in Guangxi Province, southern China. Sporophytic features, such as the immersed and cylindrical capsule on a very short seta (ca. 1.2 mm long) and reduced peristome with 16 smooth and almost linear exostome teeth, as well as the gametophytic resemblance to Cryptogonium phyllogonioides in having complanate foliation, highly differentiated alar region of the stem and branch leaves, and more or less cucullate leaf apices, suggest a new synonymy of Horikawaea in Cryptogonium. Two new combinations, namely, C. dubia (Tixier) H.Akiyama & B.C.Tan comb. nov. and C. nitida (Nog.) H.Akiyama & B.C.Tan comb. nov. are made. Additionally, Pseudocryptogonium H.Akiyama & B.C.Tan gen. nov. is proposed to accommodate Horikawaea tjibodensis (syn. H. redfearnii).

More than just a simple abscess: could it be caused by Panton–Valentine leukocidin positive Staphylococcus aureus?

Objective:A 33-year-old woman presented with a three-day history of an abscess in the left alar region, four weeks after drainage of a breast abscess. The later infection was confirmed to be due to Panton–Valentine leukocidin positive, methicillin-resistant Staphylococcus aureus. This report aims to raise awareness of such infections, and to advise when Panton–Valentine leukocidin toxin testing is appropriate.Method:Case report and discussion.Results:Although superficial Panton–Valentine leukocidin positive Staphylococcus aureus infections are relatively benign, more serious infections can be potentially life-threatening. Clinicians should be able to identify the features of potential Panton–Valentine leukocidin positive Staphylococcus aureus infection, in order to implement appropriate therapy.Conclusion:Clinicians need to be aware of Panton–Valentine leukocidin positive Staphylococcus aureus infections, and should ask specific questions when investigating the clinical history of patients with recurrent abscesses, as this bacterial strain is not routinely assessed by microbiology departments. If such an infection is suspected, clinicians should be aware of local protocols regarding toxin testing, antibiotic choice and decolonisation agents.

Extra-Oral Fistula Caused by a Dental Implant

Dental implantation has become an important procedure for both dental treatment and head and neck reconstructive surgery. However, this useful technique sometimes results in peri-implantitis. We describe a rare complication of peri-implantitis in the maxilla which extended to the soft tissue and caused an extra-oral fistula above the alar region. The patient underwent the placement of dental implants in the maxilla 8 years earlier. Radiography showed osteolysis of the maxilla and implant exposure. After the implants were removed, the patient was fitted with a conventional fixed partial denture. Such unfavorable outcomes are caused by failed endodontic and apicoectomy procedures.

Nasoalveolar Cyst

ABSTRACT Nasoalveolar cyst is a nonodontogenic, soft tissue cyst characterized by its extraosseous location in the nasal alar region. It is synonymous with nasolabial cyst, nasal vestibule cyst, nasal wing cyst and mucoid cyst of the nose. It also called Klestadt's cyst. In this study, we would like to highlight the clinical presentation and the radiological features of nasolabial cyst in order to assist other healthcare providers in the diagnosis and treatment of this uncommon entity.

Reconstruction of the alae nasi by folded nasolabial flap

Reconstruction of the nose is very old surgical procedure and, in fact, represents the beginnings of plastic surgery. In reconstruction, an effort has to be made in order to achieve a normal look. A surgeon must choose carefully the method of reconstruction, taking into consideration the skin color, texture and nasal topography. Full-thickness nasal defects in alar region are very difficult for reconstruction due to anatomic characteristics and structures, which are very important for normal breathing and cosmetic result. Our study analyzed 16 patients with full-thickness defect of alae nasi. Folded nasolabial flaps were used for reconstruction of these defects. Good results were achieved in all cases. The flap was vital. No flap necrosis was reported in any of these patients. The lining of the nose was good. Postoperatively, the alar edge was thickened, but it became thinned after six months. The incision in donor?s region was well placed in the natural line of nasolabial fold. It was concluded that folded nasolabial flap was extremely good one-step procedure for reconstruction of full-thickness defects of alar region. .