Tffd Keratin, A Case Of Terra Firma Forme Dermatosis

Jana Haney

3 Sept, 2021

In 1987 hence called Duncans Dirty Dermatosis. Dermatitis neglecta is a condition akin to TFFD characterized by localized hyperpigmented patch or verrucous plaque occurring due to collection of sweat sebum keratin and other debris.

Terra Firma Forme Dermatosis Case Series And Review Of The Literature

The plaques can be localized or generalized.

Tffd keratin. Terra firma-forme dermatosis TFFD is a benign condition that presents with asympto-matic brown to black plaques and resembles dirty skin. It commonly involves neck trunk and umbilicus. TFFD is an acquired benign disorder of keratinization characterized by retention hyperkeratosis presenting as dirt like plaques despite normal hygiene.

Typically TFFD presents with an asymptomatic brownish gray or black dirtlike patch or plaque1-311 The lesion may appear reticulated hyperkeratotic papillomatous verrucous or stuck on. Terra firma-forme dermatosis is thought to be a disorder of keratinisation caused by abnormal and delayed development of skin cells. The pathogenesis has been attributed to abnormal and delayed keratinization.

Biden calls on Congress to act on outrageously high drug prices Brazilian Blowout and similar products called keratin treatments a hair straightener that promises results lasting up to several. We describe the dermoscopic features of TFFD before and after alcohol. Firstly described by Duncan Tschen and Knox in 1987 it accounts for a few case series in the literature and has a still undefined aetiology.

3 5 6 It can mimic certain conditions like psoriasis. Critical analyses of current data are lacking so etiologi. Unlike acne though these scaly bumps are seen with skin conditions especially keratosis.

It most often occurs in children on the neck or posterior malleolus 13 with equal incidence in both sexes. Terra firma-forme dermatosis TFFD is an acquired pigmentation disorder that promptly regresses after applying isopropyl alcohol 70. The clinical presentation ranges from patches of brownish discoloration to velvety hyperkeratotic plaques.

It is a rare type of keratinization disorder characterized by an asymptomatic brownish gray or black dirt-like patch that cannot be removed with soap and water and cleansers but needs wiping with isopropyl alcohol or. Toluidine blue stain highlighted the keratin globules in the stratum corneum in the same two cases. 11131719 Characteristically the lesion cannot be removed by conventional washing with water and soap but can be easily removed by wiping or rubbing with ethyl alcohol or isopropyl alcohol.

TFFD or Duncans dirty dermatoses is another similar condition. Terra firma-forme dermatosis TFFD is characterized by dirt-like skin lesions that disappear after rubbing with alcohol. A keratin plug is a type of skin bump thats essentially one of many types of clogged pores.

3-5 Other differentials include some dirt-like lesions such as atopic dirty neck acanthosis nigricans confluent and reticulate papillomatosis and hyperkeratotic head and neck malassezia dermatosis. Hematoxylin and eosin stains demonstrate lamellar hyperkeratosis of the stratum corneum without parakeratosis as well as keratin pearls scattered throughout. 1-5 Patients or their parents will commonly report that the plaques.

TFFD is a keratinization disorder characterized by brown to black plaques resemble dirty skin 1 2 3. TFFD consists of 55 of the pediatric and 45 of the adult patients. Duncan et al 1 postulated that TFFD is the result of partial or improper maturation of keratinocytes leading to keratinocyte and melanin retention.

Discussion We are convinced that TFFD reflects disordered and delayed keratinization of an unknown etiology 2. Terra firma-forme dermatosis TFFD sometimes referred to as Duncans dirty dermatosis is a condition characterized by asymptomatic hyperpigmented dirtlike plaques that are resistant to regular washing with soap and water but easily rub off with 70 isopropyl alcohol. TFFD appears as light-to-dark brown slightly elevated hyperpigmented plaques that are frequently described as dirt like.

Terra firma-forme dermatosis is characterized by dirty brown-grey cutaneous patches and plaques that can simply be eradicated by forceful swabbing with alcohol pads. The name is derived from the Latin phrase terra firma which refers to dry land. Up to 10 cash back Terra firma-forme dermatosis TFFD belongs to the group of dirty dermatoses and represents a not well-known and surely underestimated vexing skin condition.

However certain differences have been noted in literature Table 1. It was first reported by Duncan et al. Adhesion between keratinocytes is prolonged with retention of melanin sebum and microorganisms causing the formation brown patches and thickened plaques.

The condition is only little known and rarely reported in Arab region or medical literature 6 7. It is especially observed in the face neck and trunk in young patients. TFFD is the result of disordered and delayed keratinization of an unknown.

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