Presentation on theme: "Proliferating Trichilemmal Cyst Presenting as Limbal Mass Dr Pawan Prasher Sri Guru Ram Das Institute of Medical Sciences and Research, Amritsar, India. [slideplayer.com]

We present the case of a 69-year-old woman with a 25-year history of multiple enlarging scalp masses. The patient was evaluated for surgical consultation after the dominant mass presented with malignant degeneration. [ajnr.org]

It can present ulceration, inflammation or even bleeding and can cause necrosis of the adjacent tissues. [orpha.net]

This paper presents the diagnosis and management of one case of malignant proliferating trichilemmal cyst followed by review of the literature. [ncbi.nlm.nih.gov]

Several smaller nodules (arrows) (trichilemmal cysts) are also present in the vicinity Click here to view The cut surface revealed a unilocular thick-walled cyst filled with pultaceous material. [ijdvl.com]

• Subcutaneous Mass

  Characteristic findings on physical examination On physical examination, PTT can be smooth dermal to subcutaneous masses or exophytic to fungating. Ulceration is sometimes present, with foul-smelling drainage of keratinous material (Figure 1). [dermatologyadvisor.com]

Progress logically from the histologic pattern, through the appropriate workup, around the pitfalls, to the best diagnosis. [books.google.de]

Radical surgical treatment and precise histological analysis are essential in order to achieve a fast and complete healing. Cooperation of the clinician and the pathologist is essential for accurate diagnosis, treatment and follow-up planning. [ncbi.nlm.nih.gov]

What is the treatment of a proliferating trichilemmal cyst ? The recommended treatment is complete surgical excision with a margin of normal tissue. Mohs micrographic surgery may be used to ensure better margin control. [dermnetnz.org]

Prognosis is good in most cases but the patient should be followed closely after surgery. [2] Last updated: 1/6/2016 [rarediseases.info.nih.gov]

Objectives: (1) To report the incidence of cases of PTCs in a General Hospital during a 12 years period. (2) To determine the expression of ki67 using immunohistochemical staining. (3) To correlate ki67 reaction patterns with clinical prognosis. [ijtrichology.com]

What is the Prognosis of Benign Proliferating Pilar Tumor? (Outcomes/Resolutions) The prognosis for Benign Proliferating Pilar Tumor is excellent with appropriate treatment, since it is a benign cyst. [dovemed.com]

[…] become malignant 11 Conclusions Proliferating trichilemmal cyst can present as a gradually progressing limbal mass It is a benign condition that needs to be distinguished from malignant squamous cell carcinoma which has similar presentation but different prognosis [slideplayer.com]

Eruptive collagenomas are non familial connective tissue nevi of unknown etiology presented with an abrupt onset. While most cases are reported in young adults, there is a paucity of literature in children. [ingentaconnect.com]

[…] are believed to arise from pilar cysts; however, it remains unknown what triggers the proliferative activity (Dermatol Surg 2007;33:1102) Trauma and inflammation have been suggested as the triggers in some cases (J Dermatol Surg Oncol 1987;13:1339) Etiology [pathologyoutlines.com]

The granulomatous lymphadenitis was presumed to be of tubercular etiology in an Indian patient, despite a failure to demonstrate bacilli in the tissue. [ijdvl.com]

Rare sites described include wrist, elbow, mons pubis, vulva, buttock and chest. [1] The most characteristic feature described for PTT is trichilemmal keratinization and etiologies proposed include trauma and inflammation in TC, a finding further corroborated [ijpmonline.org]

Etiology Trichilemmal carcinoma is a carcinoma of the outer root sheath. The exact etiology is unknown, but it appears to be related to actinic damage. [clinicaladvisor.com]

Epidemiology Frequency Proliferating pilar tumor (PPT) are rare. Sex These tumors occur more commonly in females than in males. [emedicine.medscape.com]

An analytical epidemiological approach. Dermatol.Surg. 23: 1043-1046. IF 1.505 138. [user.medunigraz.at]

[…] for recurrence and metastasis Terminology Proliferating pilar cyst Proliferating trichilemmal cyst ICD coding ICD-10: L72.11 - pilar cyst ICD-11: EK70.1 - trichilemmal cyst Sites Scalp (85%), less commonly on the trunk (Am J Clin Pathol 2004;122:566) Pathophysiology [pathologyoutlines.com]

Pathophysiology A proliferating pilar tumor (PPT) usually arises in the setting of single or multiple pilar cysts. An asymptomatic nodule is often present for months to years before a rapid increase occurs in the size of the lesion. [emedicine.medscape.com]

Pathophysiology It is unknown whether trichilemmal carcinoma develops from an existing benign lesion or de novo. Few trichilemmal carcinomas show evidence of a coexisting trichilemmoma. [clinicaladvisor.com]

Adjuvant chemotherapy and radiotherapy have been used to prevent recurrence in MPTT. [3] Our patient received adjuvant radiotherapy and has been kept under close follow-up. [jpgmonline.com]

Their correct recognition has an impact on treatment, outcome, and prognosis [2], [4], [5] and can prevent a therapeutic misadventure. References 1. Erdem H, Yildirim U, Uzunlar AK, Sahiner C, Ozcelik D, TopluG. [ijdvl.com]