follicular ostia
Anomalies
follicular ostium obstruction
Home > E. Pathology by systems > Skin
Skin
Adj. cutaneous
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follicular ostium
17 August 2020 -
follicular occlusion syndrome
30 July 2020Links
Follicular occlusion syndrome
https://dermnetnz.org/topics/follicular-occlusion-syndrome/ -
biphasic basophilic dermal adnexal tumor
28 July 2020Example
eccrine spiradenoma : benign biphasic basophilic dermal adnexal tumor
See also
cutaneous adnexal tumors -
adnexal glandular tumors
28 July 2020Types
Apocrine differentiation papillary hidradenoma (papillary fronds, vulvar / perianal) tubular apocrine adenoma (epidermal connection)
syringoma: small ducts with 2 rows of cells
papillary eccrine adenoma: cystic ducts and papillary fronds
papillated ducts open to epidermis papillary syringadenoma (scalp) nipple adenomatosis (nipple)
mixed tumor ( chondroid syringoma ): chondromyxoid stroma and tubular or anastomosing glands
sebaceous hyperplasia (lobular arrangement (...) -
dermal nodules
28 July 2020Diagnosis of cutaneous nodules
Immunochemistry
CK7+ dermal nodules
BerEP4 dermal nodules
See also
cutaneous nodules
cutaneous tumors -
cutaneous syphilis
21 July 2020Images
Secondary syphilis: psoriasiform pattern + lichenoid infiltrate with histiocytes great clue. Plasma cells ++ plasmacytic infiltration. https://twitter.com/JRamirezMD/status/782747788907991040 https://twitter.com/drmehrarohit/status/1285302923694505984 -
cutaneous blue round cell tumors
17 April 2020Etiology
Merckel cell tumor / Merckel tumor
metastatic neuroendocrine tumors
metastatic blue round cell tumors neuroblastoma / neuroblastic tumors Ewing sarcoma / peripheral neuroectodermal tumors cutaneous localization of lymphomas
See also
cutaneous tumors -
invisible dermatoses
17 April 2020invisible dermatosis
Definition : ’Invisible dermatoses’ is a concept which has not received wide recognition, but is nevertheless very important both clinically and histologically.
The term invisible dermatoses has been used in two contexts:
a) Diseases, with out definite clinical features, and are therefore "invisible" to the clinician, but yet can be diagnosed by special investigations.
b) Dermatoses which present with definite and obvious clinical features, but subtle or hidden (...) -
dermatoses
17 April 2020dermatosis
Definition : chronic cutaenous diseases.
Examples
" invisible dermatoses " -
syringotropism
17 April 2020Examples
lymphocytic syringotropism folliculotropic mycosis fungoides https://www.researchgate.net/figure/Syringotropism-atypical-lymphocytes-within-and-around-the-eccrine-glands-observed-in-the_fig4_263477318
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